x

fix: import tokio-metrics and tokio-metrics-collector (#5264 )
fix: correct invalid testing feature gate usage (#5258 )
2025-12-25 23:49:58 +00:00 · 2025-01-02 15:21:29 +08:00 · 2025-01-02 05:58:31 +00:00 · 2025-01-02 03:22:54 +00:00 · 2025-01-02 03:17:53 +00:00 · 2025-01-02 02:56:33 +00:00
280 changed files with 13815 additions and 1929 deletions
--- a/.github/actions/build-greptime-binary/action.yml
+++ b/.github/actions/build-greptime-binary/action.yml
@@ -54,7 +54,7 @@ runs:
        PROFILE_TARGET: ${{ inputs.cargo-profile == 'dev' && 'debug' || inputs.cargo-profile }}
      with:
        artifacts-dir: ${{ inputs.artifacts-dir }}
-        target-file: ./target/$PROFILE_TARGET/greptime
+        target-files: ./target/$PROFILE_TARGET/greptime
        version: ${{ inputs.version }}
        working-dir: ${{ inputs.working-dir }}

@@ -72,6 +72,6 @@ runs:
      if: ${{ inputs.build-android-artifacts == 'true' }}
      with:
        artifacts-dir: ${{ inputs.artifacts-dir }}
-        target-file: ./target/aarch64-linux-android/release/greptime
+        target-files: ./target/aarch64-linux-android/release/greptime
        version: ${{ inputs.version }}
        working-dir: ${{ inputs.working-dir }}
--- a/.github/actions/build-images/action.yml
+++ b/.github/actions/build-images/action.yml
@@ -41,8 +41,8 @@ runs:
        image-name: ${{ inputs.image-name }}
        image-tag: ${{ inputs.version }}
        docker-file: docker/ci/ubuntu/Dockerfile
-        amd64-artifact-name: greptime-linux-amd64-pyo3-${{ inputs.version }}
-        arm64-artifact-name: greptime-linux-arm64-pyo3-${{ inputs.version }}
+        amd64-artifact-name: greptime-linux-amd64-${{ inputs.version }}
+        arm64-artifact-name: greptime-linux-arm64-${{ inputs.version }}
        platforms: linux/amd64,linux/arm64
        push-latest-tag: ${{ inputs.push-latest-tag }}

--- a/.github/actions/build-linux-artifacts/action.yml
+++ b/.github/actions/build-linux-artifacts/action.yml
@@ -48,19 +48,7 @@ runs:
        path: /tmp/greptime-*.log
        retention-days: 3

-    - name: Build standard greptime
-      uses: ./.github/actions/build-greptime-binary
-      with:
-        base-image: ubuntu
-        features: pyo3_backend,servers/dashboard
-        cargo-profile: ${{ inputs.cargo-profile }}
-        artifacts-dir: greptime-linux-${{ inputs.arch }}-pyo3-${{ inputs.version }}
-        version: ${{ inputs.version }}
-        working-dir: ${{ inputs.working-dir }}
-        image-registry: ${{ inputs.image-registry }}
-        image-namespace: ${{ inputs.image-namespace }}
-
-    - name: Build greptime without pyo3
+    - name: Build greptime
      if: ${{ inputs.dev-mode == 'false' }}
      uses: ./.github/actions/build-greptime-binary
      with:
--- a/.github/actions/build-macos-artifacts/action.yml
+++ b/.github/actions/build-macos-artifacts/action.yml
@@ -90,5 +90,5 @@ runs:
      uses: ./.github/actions/upload-artifacts
      with:
        artifacts-dir: ${{ inputs.artifacts-dir }}
-        target-file: target/${{ inputs.arch }}/${{ inputs.cargo-profile }}/greptime
+        target-files: target/${{ inputs.arch }}/${{ inputs.cargo-profile }}/greptime
        version: ${{ inputs.version }}
--- a/.github/actions/build-windows-artifacts/action.yml
+++ b/.github/actions/build-windows-artifacts/action.yml
@@ -33,15 +33,6 @@ runs:
    - name: Rust Cache
      uses: Swatinem/rust-cache@v2

-    - name: Install Python
-      uses: actions/setup-python@v5
-      with:
-        python-version: "3.10"
-
-    - name: Install PyArrow Package
-      shell: pwsh
-      run: pip install pyarrow numpy
-
    - name: Install WSL distribution
      uses: Vampire/setup-wsl@v2
      with:
@@ -76,5 +67,5 @@ runs:
      uses: ./.github/actions/upload-artifacts
      with:
        artifacts-dir: ${{ inputs.artifacts-dir }}
-        target-file: target/${{ inputs.arch }}/${{ inputs.cargo-profile }}/greptime
+        target-files: target/${{ inputs.arch }}/${{ inputs.cargo-profile }}/greptime,target/${{ inputs.arch }}/${{ inputs.cargo-profile }}/greptime.pdb
        version: ${{ inputs.version }}
--- a/.github/actions/setup-greptimedb-cluster/with-minio-and-cache.yaml
+++ b/.github/actions/setup-greptimedb-cluster/with-minio-and-cache.yaml
@@ -5,7 +5,7 @@ meta:

    [datanode]
    [datanode.client]
-    timeout = "60s"
+    timeout = "120s"
 datanode:
  configData: |-
    [runtime]
@@ -21,7 +21,7 @@ frontend:
    global_rt_size = 4

    [meta_client]
-    ddl_timeout = "60s"
+    ddl_timeout = "120s"
 objectStorage:
  s3:
    bucket: default
--- a/.github/actions/setup-greptimedb-cluster/with-minio.yaml
+++ b/.github/actions/setup-greptimedb-cluster/with-minio.yaml
@@ -5,7 +5,7 @@ meta:
    
    [datanode]
    [datanode.client]
-    timeout = "60s"
+    timeout = "120s"
 datanode:
  configData: |-
    [runtime]
@@ -17,7 +17,7 @@ frontend:
    global_rt_size = 4

    [meta_client]
-    ddl_timeout = "60s"
+    ddl_timeout = "120s"
 objectStorage:
  s3:
    bucket: default
--- a/.github/actions/setup-greptimedb-cluster/with-remote-wal.yaml
+++ b/.github/actions/setup-greptimedb-cluster/with-remote-wal.yaml
@@ -11,7 +11,7 @@ meta:
        
    [datanode]
    [datanode.client]
-    timeout = "60s"
+    timeout = "120s"
 datanode:
  configData: |-
    [runtime]
@@ -28,7 +28,7 @@ frontend:
    global_rt_size = 4

    [meta_client]
-    ddl_timeout = "60s"
+    ddl_timeout = "120s"
 objectStorage:
  s3:
    bucket: default
--- a/.github/actions/upload-artifacts/action.yml
+++ b/.github/actions/upload-artifacts/action.yml
@@ -4,8 +4,8 @@ inputs:
  artifacts-dir:
    description: Directory to store artifacts
    required: true
-  target-file:
-    description: The path of the target artifact
+  target-files:
+    description: The multiple target files to upload, separated by comma
    required: false
  version:
    description: Version of the artifact
@@ -18,12 +18,16 @@ runs:
  using: composite
  steps:
    - name: Create artifacts directory
-      if: ${{ inputs.target-file != '' }}
+      if: ${{ inputs.target-files != '' }}
      working-directory: ${{ inputs.working-dir }}
      shell: bash
      run: |
-        mkdir -p ${{ inputs.artifacts-dir }} && \
-        cp ${{ inputs.target-file }} ${{ inputs.artifacts-dir }}
+        set -e
+        mkdir -p ${{ inputs.artifacts-dir }}
+        IFS=',' read -ra FILES <<< "${{ inputs.target-files }}"
+        for file in "${FILES[@]}"; do
+          cp "$file" ${{ inputs.artifacts-dir }}/
+        done

    # The compressed artifacts will use the following layout:
    # greptime-linux-amd64-pyo3-v0.3.0sha256sum
--- a/.github/pull_request_template.md
+++ b/.github/pull_request_template.md
@@ -4,7 +4,8 @@ I hereby agree to the terms of the [GreptimeDB CLA](https://github.com/GreptimeT

 ## What's changed and what's your intention?

-__!!! DO NOT LEAVE THIS BLOCK EMPTY !!!__
+<!--    
+ __!!! DO NOT LEAVE THIS BLOCK EMPTY !!!__

 Please explain IN DETAIL what the changes are in this PR and why they are needed:

@@ -12,9 +13,14 @@ Please explain IN DETAIL what the changes are in this PR and why they are needed
 - How does this PR work? Need a brief introduction for the changed logic (optional)
 - Describe clearly one logical change and avoid lazy messages (optional)
 - Describe any limitations of the current code (optional)
+- Describe if this PR will break **API or data compatibility**  (optional)
+-->

-## Checklist
+## PR Checklist
+Please convert it to a draft if some of the following conditions are not met.

 - [ ] I have written the necessary rustdoc comments.
 - [ ] I have added the necessary unit tests and integration tests.
 - [ ] This PR requires documentation updates.
+- [ ] API changes are backward compatible.
+- [ ] Schema or data changes are backward compatible.
--- a/.github/workflows/develop.yml
+++ b/.github/workflows/develop.yml
@@ -10,17 +10,6 @@ on:
      - 'docker/**'
      - '.gitignore'
      - 'grafana/**'
-  push:
-    branches:
-      - main
-    paths-ignore:
-      - 'docs/**'
-      - 'config/**'
-      - '**.md'
-      - '.dockerignore'
-      - 'docker/**'
-      - '.gitignore'
-      - 'grafana/**'
  workflow_dispatch:

 name: CI
@@ -84,7 +73,7 @@ jobs:
          # Shares across multiple jobs
          shared-key: "check-toml"
      - name: Install taplo
-        run: cargo +stable install taplo-cli --version ^0.9 --locked
+        run: cargo +stable install taplo-cli --version ^0.9 --locked --force
      - name: Run taplo
        run: taplo format --check

@@ -107,7 +96,7 @@ jobs:
          shared-key: "build-binaries"
      - name: Install cargo-gc-bin
        shell: bash
-        run: cargo install cargo-gc-bin
+        run: cargo install cargo-gc-bin --force
      - name: Build greptime binaries
        shell: bash
        # `cargo gc` will invoke `cargo build` with specified args
@@ -163,7 +152,7 @@ jobs:
        run: |
          sudo apt-get install -y libfuzzer-14-dev
          rustup install nightly
-          cargo +nightly install cargo-fuzz cargo-gc-bin
+          cargo +nightly install cargo-fuzz cargo-gc-bin --force
      - name: Download pre-built binaries
        uses: actions/download-artifact@v4
        with:
@@ -220,7 +209,7 @@ jobs:
        shell: bash
        run: |
          sudo apt update && sudo apt install -y libfuzzer-14-dev
-          cargo install cargo-fuzz cargo-gc-bin
+          cargo install cargo-fuzz cargo-gc-bin --force
      - name: Download pre-built binariy
        uses: actions/download-artifact@v4
        with:
@@ -268,7 +257,7 @@ jobs:
          shared-key: "build-greptime-ci"
      - name: Install cargo-gc-bin
        shell: bash
-        run: cargo install cargo-gc-bin
+        run: cargo install cargo-gc-bin --force
      - name: Build greptime bianry
        shell: bash
        # `cargo gc` will invoke `cargo build` with specified args
@@ -338,7 +327,7 @@ jobs:
        run: |
          sudo apt-get install -y libfuzzer-14-dev
          rustup install nightly
-          cargo +nightly install cargo-fuzz cargo-gc-bin
+          cargo +nightly install cargo-fuzz cargo-gc-bin --force
      # Downloads ci image
      - name: Download pre-built binariy
        uses: actions/download-artifact@v4
@@ -487,7 +476,7 @@ jobs:
        run: |
          sudo apt-get install -y libfuzzer-14-dev
          rustup install nightly
-          cargo +nightly install cargo-fuzz cargo-gc-bin
+          cargo +nightly install cargo-fuzz cargo-gc-bin --force
      # Downloads ci image
      - name: Download pre-built binariy
        uses: actions/download-artifact@v4
@@ -653,6 +642,7 @@ jobs:
    if: github.event.pull_request.draft == false
    runs-on: ubuntu-20.04-8-cores
    timeout-minutes: 60
+    needs:  [clippy, fmt]
    steps:
      - uses: actions/checkout@v4
      - uses: arduino/setup-protoc@v3
@@ -678,12 +668,6 @@ jobs:
        uses: taiki-e/install-action@nextest
      - name: Install cargo-llvm-cov
        uses: taiki-e/install-action@cargo-llvm-cov
-      - name: Install Python
-        uses: actions/setup-python@v5
-        with:
-          python-version: '3.10'
-      - name: Install PyArrow Package
-        run: pip install pyarrow numpy
      - name: Setup etcd server
        working-directory: tests-integration/fixtures/etcd
        run: docker compose -f docker-compose-standalone.yml up -d --wait
@@ -697,7 +681,7 @@ jobs:
        working-directory: tests-integration/fixtures/postgres
        run: docker compose -f docker-compose-standalone.yml up -d --wait
      - name: Run nextest cases
-        run: cargo llvm-cov nextest --workspace --lcov --output-path lcov.info -F pyo3_backend -F dashboard
+        run: cargo llvm-cov nextest --workspace --lcov --output-path lcov.info -F dashboard -F pg_kvbackend
        env:
          CARGO_BUILD_RUSTFLAGS: "-C link-arg=-fuse-ld=lld"
          RUST_BACKTRACE: 1
--- a/.github/workflows/nightly-ci.yml
+++ b/.github/workflows/nightly-ci.yml
@@ -1,6 +1,6 @@
 on:
  schedule:
-    - cron: "0 23 * * 1-5"
+    - cron: "0 23 * * 1-4"
  workflow_dispatch:

 name: Nightly CI
@@ -91,18 +91,12 @@ jobs:
        uses: Swatinem/rust-cache@v2
      - name: Install Cargo Nextest
        uses: taiki-e/install-action@nextest
-      - name: Install Python
-        uses: actions/setup-python@v5
-        with:
-          python-version: "3.10"
-      - name: Install PyArrow Package
-        run: pip install pyarrow numpy
      - name: Install WSL distribution
        uses: Vampire/setup-wsl@v2
        with:
          distribution: Ubuntu-22.04
      - name: Running tests
-        run: cargo nextest run -F pyo3_backend,dashboard
+        run: cargo nextest run -F dashboard
        env:
          CARGO_BUILD_RUSTFLAGS: "-C linker=lld-link"
          RUST_BACKTRACE: 1
@@ -117,7 +111,6 @@ jobs:
  cleanbuild-linux-nix:
    runs-on: ubuntu-latest-8-cores
    timeout-minutes: 60
-    needs: [coverage, fmt, clippy, check]
    steps:
      - uses: actions/checkout@v4
      - uses: cachix/install-nix-action@v27
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -31,7 +31,7 @@ on:
      linux_arm64_runner:
        type: choice
        description: The runner uses to build linux-arm64 artifacts
-        default: ec2-c6g.4xlarge-arm64
+        default: ec2-c6g.8xlarge-arm64
        options:
          - ubuntu-2204-32-cores-arm
          - ec2-c6g.xlarge-arm64 # 4C8G
@@ -222,18 +222,10 @@ jobs:
            arch: aarch64-apple-darwin
            features: servers/dashboard
            artifacts-dir-prefix: greptime-darwin-arm64
-          - os: ${{ needs.allocate-runners.outputs.macos-runner }}
-            arch: aarch64-apple-darwin
-            features: pyo3_backend,servers/dashboard
-            artifacts-dir-prefix: greptime-darwin-arm64-pyo3
          - os: ${{ needs.allocate-runners.outputs.macos-runner }}
            features: servers/dashboard
            arch: x86_64-apple-darwin
            artifacts-dir-prefix: greptime-darwin-amd64
-          - os: ${{ needs.allocate-runners.outputs.macos-runner }}
-            features: pyo3_backend,servers/dashboard
-            arch: x86_64-apple-darwin
-            artifacts-dir-prefix: greptime-darwin-amd64-pyo3
    runs-on: ${{ matrix.os }}
    outputs:
      build-macos-result: ${{ steps.set-build-macos-result.outputs.build-macos-result }}
@@ -271,10 +263,6 @@ jobs:
            arch: x86_64-pc-windows-msvc
            features: servers/dashboard
            artifacts-dir-prefix: greptime-windows-amd64
-          - os: ${{ needs.allocate-runners.outputs.windows-runner }}
-            arch: x86_64-pc-windows-msvc
-            features: pyo3_backend,servers/dashboard
-            artifacts-dir-prefix: greptime-windows-amd64-pyo3
    runs-on: ${{ matrix.os }}
    outputs:
      build-windows-result: ${{ steps.set-build-windows-result.outputs.build-windows-result }}
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -730,6 +730,36 @@ version = "1.1.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "1505bd5d3d116872e7271a6d4e16d81d0c8570876c8de68093a09ac269d8aac0"

+[[package]]
+name = "attribute-derive"
+version = "0.10.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f1800e974930e9079c965b9ffbcb6667a40401063a26396c7b4f15edc92da690"
+dependencies = [
+ "attribute-derive-macro",
+ "derive-where",
+ "manyhow",
+ "proc-macro2",
+ "quote",
+ "syn 2.0.90",
+]
+
+[[package]]
+name = "attribute-derive-macro"
+version = "0.10.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5d908eb786ef94296bff86f90130b3b748b49401dc81fd2bb8b3dccd44cfacbd"
+dependencies = [
+ "collection_literals",
+ "interpolator",
+ "manyhow",
+ "proc-macro-utils",
+ "proc-macro2",
+ "quote",
+ "quote-use",
+ "syn 2.0.90",
+]
+
 [[package]]
 name = "atty"
 version = "0.2.14"
@@ -1845,6 +1875,12 @@ dependencies = [
 "tracing-appender",
 ]

+[[package]]
+name = "collection_literals"
+version = "1.0.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "186dce98367766de751c42c4f03970fc60fc012296e706ccbb9d5df9b6c1e271"
+
 [[package]]
 name = "colorchoice"
 version = "1.0.2"
@@ -1980,6 +2016,7 @@ dependencies = [
 name = "common-error"
 version = "0.12.0"
 dependencies = [
+ "http 0.2.12",
 "snafu 0.8.5",
 "strum 0.25.0",
 "tonic 0.11.0",
@@ -2314,6 +2351,8 @@ dependencies = [
 "snafu 0.8.5",
 "tempfile",
 "tokio",
+ "tokio-metrics",
+ "tokio-metrics-collector",
 "tokio-test",
 "tokio-util",
 ]
@@ -3346,6 +3385,17 @@ dependencies = [
 "syn 2.0.90",
 ]

+[[package]]
+name = "derive-where"
+version = "1.2.7"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "62d671cc41a825ebabc75757b62d3d168c577f9149b2d49ece1dad1f72119d25"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn 2.0.90",
+]
+
 [[package]]
 name = "derive_arbitrary"
 version = "1.3.2"
@@ -4011,7 +4061,10 @@ dependencies = [
 "enum-as-inner",
 "enum_dispatch",
 "futures",
+ "get-size-derive2",
+ "get-size2",
 "greptime-proto",
+ "http 0.2.12",
 "hydroflow",
 "itertools 0.10.5",
 "lazy_static",
@@ -4103,6 +4156,7 @@ dependencies = [
 "futures",
 "humantime-serde",
 "lazy_static",
+ "log-query",
 "log-store",
 "meta-client",
 "opentelemetry-proto 0.5.0",
@@ -4415,6 +4469,23 @@ dependencies = [
 "libm",
 ]

+[[package]]
+name = "get-size-derive2"
+version = "0.1.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1fd26d3a97ea14d289c8b54180243ecfe465f3fa9c279a6336d7a003698fc39d"
+dependencies = [
+ "attribute-derive",
+ "quote",
+ "syn 2.0.90",
+]
+
+[[package]]
+name = "get-size2"
+version = "0.1.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "159c430715e540d2198fa981d39cd45563ccc60900de187f5b152b33b1cb408e"
+
 [[package]]
 name = "gethostname"
 version = "0.2.3"
@@ -5219,6 +5290,7 @@ dependencies = [
 "futures",
 "greptime-proto",
 "mockall",
+ "parquet",
 "pin-project",
 "prost 0.12.6",
 "rand",
@@ -5346,6 +5418,12 @@ version = "4.0.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "0d762194228a2f1c11063e46e32e5acb96e66e906382b9eb5441f2e0504bbd5a"

+[[package]]
+name = "interpolator"
+version = "0.5.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "71dd52191aae121e8611f1e8dc3e324dd0dd1dee1e6dd91d10ee07a3cfb4d9d8"
+
 [[package]]
 name = "inventory"
 version = "0.3.15"
@@ -6050,6 +6128,7 @@ dependencies = [
 "chrono",
 "common-error",
 "common-macro",
+ "serde",
 "snafu 0.8.5",
 "table",
 ]
@@ -6244,6 +6323,29 @@ dependencies = [
 "libc",
 ]

+[[package]]
+name = "manyhow"
+version = "0.11.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b33efb3ca6d3b07393750d4030418d594ab1139cee518f0dc88db70fec873587"
+dependencies = [
+ "manyhow-macros",
+ "proc-macro2",
+ "quote",
+ "syn 2.0.90",
+]
+
+[[package]]
+name = "manyhow-macros"
+version = "0.11.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "46fce34d199b78b6e6073abf984c9cf5fd3e9330145a93ee0738a7443e371495"
+dependencies = [
+ "proc-macro-utils",
+ "proc-macro2",
+ "quote",
+]
+
 [[package]]
 name = "maplit"
 version = "1.0.2"
@@ -7375,8 +7477,7 @@ checksum = "b410bbe7e14ab526a0e86877eb47c6996a2bd7746f027ba551028c925390e4e9"
 [[package]]
 name = "opendal"
 version = "0.50.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "cb28bb6c64e116ceaf8dd4e87099d3cfea4a58e85e62b104fef74c91afba0f44"
+source = "git+https://github.com/GreptimeTeam/opendal.git?rev=c82605177f2feec83e49dcaa537c505639d94024#c82605177f2feec83e49dcaa537c505639d94024"
 dependencies = [
 "anyhow",
 "async-trait",
@@ -8065,7 +8166,7 @@ dependencies = [
 "rand",
 "ring 0.17.8",
 "rust_decimal",
- "thiserror 2.0.4",
+ "thiserror 2.0.6",
 "tokio",
 "tokio-rustls 0.26.0",
 "tokio-util",
@@ -8528,6 +8629,17 @@ dependencies = [
 "version_check",
 ]

+[[package]]
+name = "proc-macro-utils"
+version = "0.10.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "eeaf08a13de400bc215877b5bdc088f241b12eb42f0a548d3390dc1c56bb7071"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "smallvec",
+]
+
 [[package]]
 name = "proc-macro2"
 version = "1.0.92"
@@ -8992,8 +9104,10 @@ dependencies = [
 "humantime",
 "itertools 0.10.5",
 "lazy_static",
+ "log-query",
 "meter-core",
 "meter-macros",
+ "nalgebra 0.33.2",
 "num",
 "num-traits",
 "object-store",
@@ -9107,6 +9221,28 @@ dependencies = [
 "proc-macro2",
 ]

+[[package]]
+name = "quote-use"
+version = "0.8.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9619db1197b497a36178cfc736dc96b271fe918875fbf1344c436a7e93d0321e"
+dependencies = [
+ "quote",
+ "quote-use-macros",
+]
+
+[[package]]
+name = "quote-use-macros"
+version = "0.8.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "82ebfb7faafadc06a7ab141a6f67bcfb24cb8beb158c6fe933f2f035afa99f35"
+dependencies = [
+ "proc-macro-utils",
+ "proc-macro2",
+ "quote",
+ "syn 2.0.90",
+]
+
 [[package]]
 name = "radium"
 version = "0.7.0"
@@ -10824,6 +10960,7 @@ dependencies = [
 "json5",
 "jsonb",
 "lazy_static",
+ "log-query",
 "loki-api",
 "mime_guess",
 "mysql_async",
@@ -12306,11 +12443,11 @@ dependencies = [

 [[package]]
 name = "thiserror"
-version = "2.0.4"
+version = "2.0.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2f49a1853cf82743e3b7950f77e0f4d622ca36cf4317cba00c767838bac8d490"
+checksum = "8fec2a1820ebd077e2b90c4df007bebf344cd394098a13c563957d0afc83ea47"
 dependencies = [
- "thiserror-impl 2.0.4",
+ "thiserror-impl 2.0.6",
 ]

 [[package]]
@@ -12326,9 +12463,9 @@ dependencies = [

 [[package]]
 name = "thiserror-impl"
-version = "2.0.4"
+version = "2.0.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8381894bb3efe0c4acac3ded651301ceee58a15d47c2e34885ed1908ad667061"
+checksum = "d65750cab40f4ff1929fb1ba509e9914eb756131cef4210da8d5d700d26f6312"
 dependencies = [
 "proc-macro2",
 "quote",
@@ -12484,9 +12621,9 @@ checksum = "1f3ccbac311fea05f86f61904b462b55fb3df8837a366dfc601a0161d0532f20"

 [[package]]
 name = "tokio"
-version = "1.40.0"
+version = "1.42.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e2b070231665d27ad9ec9b8df639893f46727666c6767db40317fbe920a5d998"
+checksum = "5cec9b21b0450273377fc97bd4c33a8acffc8c996c987a7c5b319a0083707551"
 dependencies = [
 "backtrace",
 "bytes",
@@ -12522,6 +12659,31 @@ dependencies = [
 "syn 2.0.90",
 ]

+[[package]]
+name = "tokio-metrics"
+version = "0.3.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "eace09241d62c98b7eeb1107d4c5c64ca3bd7da92e8c218c153ab3a78f9be112"
+dependencies = [
+ "futures-util",
+ "pin-project-lite",
+ "tokio",
+ "tokio-stream",
+]
+
+[[package]]
+name = "tokio-metrics-collector"
+version = "0.2.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a8092b7a97ed5dac2f44892db190eca8f476ede0fa585bc87664de4151cd0b64"
+dependencies = [
+ "lazy_static",
+ "parking_lot 0.12.3",
+ "prometheus",
+ "tokio",
+ "tokio-metrics",
+]
+
 [[package]]
 name = "tokio-postgres"
 version = "0.7.12"
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -126,6 +126,7 @@ futures = "0.3"
 futures-util = "0.3"
 greptime-proto = { git = "https://github.com/GreptimeTeam/greptime-proto.git", rev = "a875e976441188028353f7274a46a7e6e065c5d4" }
 hex = "0.4"
+http = "0.2"
 humantime = "2.1"
 humantime-serde = "1.1"
 itertools = "0.10"
@@ -134,6 +135,7 @@ lazy_static = "1.4"
 meter-core = { git = "https://github.com/GreptimeTeam/greptime-meter.git", rev = "a10facb353b41460eeb98578868ebf19c2084fac" }
 mockall = "0.11.4"
 moka = "0.12"
+nalgebra = "0.33"
 notify = "6.1"
 num_cpus = "1.16"
 once_cell = "1.18"
@@ -238,6 +240,7 @@ file-engine = { path = "src/file-engine" }
 flow = { path = "src/flow" }
 frontend = { path = "src/frontend", default-features = false }
 index = { path = "src/index" }
+log-query = { path = "src/log-query" }
 log-store = { path = "src/log-store" }
 meta-client = { path = "src/meta-client" }
 meta-srv = { path = "src/meta-srv" }
--- a/README.md
+++ b/README.md
@@ -70,23 +70,23 @@ Our core developers have been building time-series data platforms for years. Bas

 * **Unified Processing of Metrics, Logs, and Events**

-GreptimeDB unifies time series data processing by treating all data - whether metrics, logs, or events - as timestamped events with context. Users can analyze this data using either [SQL](https://docs.greptime.com/user-guide/query-data/sql) or [PromQL](https://docs.greptime.com/user-guide/query-data/promql) and leverage stream processing ([Flow](https://docs.greptime.com/user-guide/continuous-aggregation/overview)) to enable continuous aggregation. [Read more](https://docs.greptime.com/user-guide/concepts/data-model).
+  GreptimeDB unifies time series data processing by treating all data - whether metrics, logs, or events - as timestamped events with context. Users can analyze this data using either [SQL](https://docs.greptime.com/user-guide/query-data/sql) or [PromQL](https://docs.greptime.com/user-guide/query-data/promql) and leverage stream processing ([Flow](https://docs.greptime.com/user-guide/flow-computation/overview)) to enable continuous aggregation. [Read more](https://docs.greptime.com/user-guide/concepts/data-model).

 * **Cloud-native Distributed Database**

-Built for [Kubernetes](https://docs.greptime.com/user-guide/deployments/deploy-on-kubernetes/greptimedb-operator-management). GreptimeDB achieves seamless scalability with its [cloud-native architecture](https://docs.greptime.com/user-guide/concepts/architecture) of separated compute and storage, built on object storage (AWS S3, Azure Blob Storage, etc.) while enabling cross-cloud deployment through a unified data access layer.
+  Built for [Kubernetes](https://docs.greptime.com/user-guide/deployments/deploy-on-kubernetes/greptimedb-operator-management). GreptimeDB achieves seamless scalability with its [cloud-native architecture](https://docs.greptime.com/user-guide/concepts/architecture) of separated compute and storage, built on object storage (AWS S3, Azure Blob Storage, etc.) while enabling cross-cloud deployment through a unified data access layer.

 * **Performance and Cost-effective**

-Written in pure Rust for superior performance and reliability. GreptimeDB features a distributed query engine with intelligent indexing to handle high cardinality data efficiently. Its optimized columnar storage achieves 50x cost efficiency on cloud object storage through advanced compression. [Benchmark reports](https://www.greptime.com/blogs/2024-09-09-report-summary).
+  Written in pure Rust for superior performance and reliability. GreptimeDB features a distributed query engine with intelligent indexing to handle high cardinality data efficiently. Its optimized columnar storage achieves 50x cost efficiency on cloud object storage through advanced compression. [Benchmark reports](https://www.greptime.com/blogs/2024-09-09-report-summary).

 * **Cloud-Edge Collaboration**

-GreptimeDB seamlessly operates across cloud and edge (ARM/Android/Linux), providing consistent APIs and control plane for unified data management and efficient synchronization. [Learn how to run on Android](https://docs.greptime.com/user-guide/deployments/run-on-android/).
+  GreptimeDB seamlessly operates across cloud and edge (ARM/Android/Linux), providing consistent APIs and control plane for unified data management and efficient synchronization. [Learn how to run on Android](https://docs.greptime.com/user-guide/deployments/run-on-android/).

 * **Multi-protocol Ingestion, SQL & PromQL Ready**

-Widely adopted database protocols and APIs, including MySQL, PostgreSQL, InfluxDB, OpenTelemetry, Loki and Prometheus, etc.  Effortless Adoption & Seamless Migration. [Supported Protocols Overview](https://docs.greptime.com/user-guide/protocols/overview).
+  Widely adopted database protocols and APIs, including MySQL, PostgreSQL, InfluxDB, OpenTelemetry, Loki and Prometheus, etc.  Effortless Adoption & Seamless Migration. [Supported Protocols Overview](https://docs.greptime.com/user-guide/protocols/overview).

 For more detailed info please read  [Why GreptimeDB](https://docs.greptime.com/user-guide/concepts/why-greptimedb).

@@ -138,7 +138,7 @@ Check the prerequisite:

 * [Rust toolchain](https://www.rust-lang.org/tools/install) (nightly)
 * [Protobuf compiler](https://grpc.io/docs/protoc-installation/) (>= 3.15)
-* Python toolchain (optional): Required only if built with PyO3 backend. More detail for compiling with PyO3 can be found in its [documentation](https://pyo3.rs/v0.18.1/building_and_distribution#configuring-the-python-version).
+* Python toolchain (optional): Required only if built with PyO3 backend. More details for compiling with PyO3 can be found in its [documentation](https://pyo3.rs/v0.18.1/building_and_distribution#configuring-the-python-version).

 Build GreptimeDB binary:

@@ -154,6 +154,10 @@ cargo run -- standalone start

 ## Tools & Extensions

+### Kubernetes
+
+- [GreptimeDB Operator](https://github.com/GrepTimeTeam/greptimedb-operator)
+
 ### Dashboard

 - [The dashboard UI for GreptimeDB](https://github.com/GreptimeTeam/dashboard)
@@ -173,7 +177,7 @@ Our official Grafana dashboard for monitoring GreptimeDB is available at [grafan

 ## Project Status

-GreptimeDB is currently in Beta. We are targeting GA (General Availability) with v1.0 release by Early 2025. 
+GreptimeDB is currently in Beta. We are targeting GA (General Availability) with v1.0 release by Early 2025.

 While in Beta, GreptimeDB is already:

--- a/config/config.md
+++ b/config/config.md
@@ -18,6 +18,7 @@
 | `init_regions_parallelism` | Integer | `16` | Parallelism of initializing regions. |
 | `max_concurrent_queries` | Integer | `0` | The maximum current queries allowed to be executed. Zero means unlimited. |
 | `enable_telemetry` | Bool | `true` | Enable telemetry to collect anonymous usage data. Enabled by default. |
+| `max_in_flight_write_bytes` | String | Unset | The maximum in-flight write bytes. |
 | `runtime` | -- | -- | The runtime options. |
 | `runtime.global_rt_size` | Integer | `8` | The number of threads to execute the runtime for global read operations. |
 | `runtime.compact_rt_size` | Integer | `4` | The number of threads to execute the runtime for global write operations. |
@@ -156,6 +157,11 @@
 | `region_engine.mito.fulltext_index.create_on_compaction` | String | `auto` | Whether to create the index on compaction.<br/>- `auto`: automatically (default)<br/>- `disable`: never |
 | `region_engine.mito.fulltext_index.apply_on_query` | String | `auto` | Whether to apply the index on query<br/>- `auto`: automatically (default)<br/>- `disable`: never |
 | `region_engine.mito.fulltext_index.mem_threshold_on_create` | String | `auto` | Memory threshold for index creation.<br/>- `auto`: automatically determine the threshold based on the system memory size (default)<br/>- `unlimited`: no memory limit<br/>- `[size]` e.g. `64MB`: fixed memory threshold |
+| `region_engine.mito.bloom_filter_index` | -- | -- | The options for bloom filter in Mito engine. |
+| `region_engine.mito.bloom_filter_index.create_on_flush` | String | `auto` | Whether to create the bloom filter on flush.<br/>- `auto`: automatically (default)<br/>- `disable`: never |
+| `region_engine.mito.bloom_filter_index.create_on_compaction` | String | `auto` | Whether to create the bloom filter on compaction.<br/>- `auto`: automatically (default)<br/>- `disable`: never |
+| `region_engine.mito.bloom_filter_index.apply_on_query` | String | `auto` | Whether to apply the bloom filter on query<br/>- `auto`: automatically (default)<br/>- `disable`: never |
+| `region_engine.mito.bloom_filter_index.mem_threshold_on_create` | String | `auto` | Memory threshold for bloom filter creation.<br/>- `auto`: automatically determine the threshold based on the system memory size (default)<br/>- `unlimited`: no memory limit<br/>- `[size]` e.g. `64MB`: fixed memory threshold |
 | `region_engine.mito.memtable` | -- | -- | -- |
 | `region_engine.mito.memtable.type` | String | `time_series` | Memtable type.<br/>- `time_series`: time-series memtable<br/>- `partition_tree`: partition tree memtable (experimental) |
 | `region_engine.mito.memtable.index_max_keys_per_shard` | Integer | `8192` | The max number of keys in one shard.<br/>Only available for `partition_tree` memtable. |
@@ -195,6 +201,7 @@
 | Key | Type | Default | Descriptions |
 | --- | -----| ------- | ----------- |
 | `default_timezone` | String | Unset | The default timezone of the server. |
+| `max_in_flight_write_bytes` | String | Unset | The maximum in-flight write bytes. |
 | `runtime` | -- | -- | The runtime options. |
 | `runtime.global_rt_size` | Integer | `8` | The number of threads to execute the runtime for global read operations. |
 | `runtime.compact_rt_size` | Integer | `4` | The number of threads to execute the runtime for global write operations. |
@@ -421,7 +428,7 @@
 | `storage` | -- | -- | The data storage options. |
 | `storage.data_home` | String | `/tmp/greptimedb/` | The working home directory. |
 | `storage.type` | String | `File` | The storage type used to store the data.<br/>- `File`: the data is stored in the local file system.<br/>- `S3`: the data is stored in the S3 object storage.<br/>- `Gcs`: the data is stored in the Google Cloud Storage.<br/>- `Azblob`: the data is stored in the Azure Blob Storage.<br/>- `Oss`: the data is stored in the Aliyun OSS. |
-| `storage.cache_path` | String | Unset | Read cache configuration for object storage such as 'S3' etc, it's configured by default when using object storage. It is recommended to configure it when using object storage for better performance.<br/>A local file directory, defaults to `{data_home}/object_cache/read`. An empty string means disabling. |
+| `storage.cache_path` | String | Unset | Read cache configuration for object storage such as 'S3' etc, it's configured by default when using object storage. It is recommended to configure it when using object storage for better performance.<br/>A local file directory, defaults to `{data_home}`. An empty string means disabling. |
 | `storage.cache_capacity` | String | Unset | The local file cache capacity in bytes. If your disk space is sufficient, it is recommended to set it larger. |
 | `storage.bucket` | String | Unset | The S3 bucket name.<br/>**It's only used when the storage type is `S3`, `Oss` and `Gcs`**. |
 | `storage.root` | String | Unset | The S3 data will be stored in the specified prefix, for example, `s3://${bucket}/${root}`.<br/>**It's only used when the storage type is `S3`, `Oss` and `Azblob`**. |
@@ -460,7 +467,7 @@
 | `region_engine.mito.page_cache_size` | String | Auto | Cache size for pages of SST row groups. Setting it to 0 to disable the cache.<br/>If not set, it's default to 1/8 of OS memory. |
 | `region_engine.mito.selector_result_cache_size` | String | Auto | Cache size for time series selector (e.g. `last_value()`). Setting it to 0 to disable the cache.<br/>If not set, it's default to 1/16 of OS memory with a max limitation of 512MB. |
 | `region_engine.mito.enable_experimental_write_cache` | Bool | `false` | Whether to enable the experimental write cache, it's enabled by default when using object storage. It is recommended to enable it when using object storage for better performance. |
-| `region_engine.mito.experimental_write_cache_path` | String | `""` | File system path for write cache, defaults to `{data_home}/object_cache/write`. |
+| `region_engine.mito.experimental_write_cache_path` | String | `""` | File system path for write cache, defaults to `{data_home}`. |
 | `region_engine.mito.experimental_write_cache_size` | String | `5GiB` | Capacity for write cache. If your disk space is sufficient, it is recommended to set it larger. |
 | `region_engine.mito.experimental_write_cache_ttl` | String | Unset | TTL for write cache. |
 | `region_engine.mito.sst_write_buffer_size` | String | `8MB` | Buffer size for SST writing. |
@@ -484,6 +491,11 @@
 | `region_engine.mito.fulltext_index.create_on_compaction` | String | `auto` | Whether to create the index on compaction.<br/>- `auto`: automatically (default)<br/>- `disable`: never |
 | `region_engine.mito.fulltext_index.apply_on_query` | String | `auto` | Whether to apply the index on query<br/>- `auto`: automatically (default)<br/>- `disable`: never |
 | `region_engine.mito.fulltext_index.mem_threshold_on_create` | String | `auto` | Memory threshold for index creation.<br/>- `auto`: automatically determine the threshold based on the system memory size (default)<br/>- `unlimited`: no memory limit<br/>- `[size]` e.g. `64MB`: fixed memory threshold |
+| `region_engine.mito.bloom_filter_index` | -- | -- | The options for bloom filter index in Mito engine. |
+| `region_engine.mito.bloom_filter_index.create_on_flush` | String | `auto` | Whether to create the index on flush.<br/>- `auto`: automatically (default)<br/>- `disable`: never |
+| `region_engine.mito.bloom_filter_index.create_on_compaction` | String | `auto` | Whether to create the index on compaction.<br/>- `auto`: automatically (default)<br/>- `disable`: never |
+| `region_engine.mito.bloom_filter_index.apply_on_query` | String | `auto` | Whether to apply the index on query<br/>- `auto`: automatically (default)<br/>- `disable`: never |
+| `region_engine.mito.bloom_filter_index.mem_threshold_on_create` | String | `auto` | Memory threshold for the index creation.<br/>- `auto`: automatically determine the threshold based on the system memory size (default)<br/>- `unlimited`: no memory limit<br/>- `[size]` e.g. `64MB`: fixed memory threshold |
 | `region_engine.mito.memtable` | -- | -- | -- |
 | `region_engine.mito.memtable.type` | String | `time_series` | Memtable type.<br/>- `time_series`: time-series memtable<br/>- `partition_tree`: partition tree memtable (experimental) |
 | `region_engine.mito.memtable.index_max_keys_per_shard` | Integer | `8192` | The max number of keys in one shard.<br/>Only available for `partition_tree` memtable. |
--- a/config/datanode.example.toml
+++ b/config/datanode.example.toml
@@ -294,7 +294,7 @@ data_home = "/tmp/greptimedb/"
 type = "File"

 ## Read cache configuration for object storage such as 'S3' etc, it's configured by default when using object storage. It is recommended to configure it when using object storage for better performance.
-## A local file directory, defaults to `{data_home}/object_cache/read`. An empty string means disabling.
+## A local file directory, defaults to `{data_home}`. An empty string means disabling.
 ## @toml2docs:none-default
 #+ cache_path = ""

@@ -478,7 +478,7 @@ auto_flush_interval = "1h"
 ## Whether to enable the experimental write cache, it's enabled by default when using object storage. It is recommended to enable it when using object storage for better performance.
 enable_experimental_write_cache = false

-## File system path for write cache, defaults to `{data_home}/object_cache/write`.
+## File system path for write cache, defaults to `{data_home}`.
 experimental_write_cache_path = ""

 ## Capacity for write cache. If your disk space is sufficient, it is recommended to set it larger.
@@ -576,6 +576,30 @@ apply_on_query = "auto"
 ## - `[size]` e.g. `64MB`: fixed memory threshold
 mem_threshold_on_create = "auto"

+## The options for bloom filter index in Mito engine.
+[region_engine.mito.bloom_filter_index]
+
+## Whether to create the index on flush.
+## - `auto`: automatically (default)
+## - `disable`: never
+create_on_flush = "auto"
+
+## Whether to create the index on compaction.
+## - `auto`: automatically (default)
+## - `disable`: never
+create_on_compaction = "auto"
+
+## Whether to apply the index on query
+## - `auto`: automatically (default)
+## - `disable`: never
+apply_on_query = "auto"
+
+## Memory threshold for the index creation.
+## - `auto`: automatically determine the threshold based on the system memory size (default)
+## - `unlimited`: no memory limit
+## - `[size]` e.g. `64MB`: fixed memory threshold
+mem_threshold_on_create = "auto"
+
 [region_engine.mito.memtable]
 ## Memtable type.
 ## - `time_series`: time-series memtable
--- a/config/frontend.example.toml
+++ b/config/frontend.example.toml
@@ -2,6 +2,10 @@
 ## @toml2docs:none-default
 default_timezone = "UTC"

+## The maximum in-flight write bytes.
+## @toml2docs:none-default
+#+ max_in_flight_write_bytes = "500MB"
+
 ## The runtime options.
 #+ [runtime]
 ## The number of threads to execute the runtime for global read operations.
--- a/config/standalone.example.toml
+++ b/config/standalone.example.toml
@@ -18,6 +18,10 @@ max_concurrent_queries = 0
 ## Enable telemetry to collect anonymous usage data. Enabled by default.
 #+ enable_telemetry = true

+## The maximum in-flight write bytes.
+## @toml2docs:none-default
+#+ max_in_flight_write_bytes = "500MB"
+
 ## The runtime options.
 #+ [runtime]
 ## The number of threads to execute the runtime for global read operations.
@@ -615,6 +619,30 @@ apply_on_query = "auto"
 ## - `[size]` e.g. `64MB`: fixed memory threshold
 mem_threshold_on_create = "auto"

+## The options for bloom filter in Mito engine.
+[region_engine.mito.bloom_filter_index]
+
+## Whether to create the bloom filter on flush.
+## - `auto`: automatically (default)
+## - `disable`: never
+create_on_flush = "auto"
+
+## Whether to create the bloom filter on compaction.
+## - `auto`: automatically (default)
+## - `disable`: never
+create_on_compaction = "auto"
+
+## Whether to apply the bloom filter on query
+## - `auto`: automatically (default)
+## - `disable`: never
+apply_on_query = "auto"
+
+## Memory threshold for bloom filter creation.
+## - `auto`: automatically determine the threshold based on the system memory size (default)
+## - `unlimited`: no memory limit
+## - `[size]` e.g. `64MB`: fixed memory threshold
+mem_threshold_on_create = "auto"
+
 [region_engine.mito.memtable]
 ## Memtable type.
 ## - `time_series`: time-series memtable
--- a/docker/buildx/centos/Dockerfile
+++ b/docker/buildx/centos/Dockerfile
@@ -13,8 +13,6 @@ RUN yum install -y epel-release  \
    openssl \
    openssl-devel  \
    centos-release-scl  \
-    rh-python38  \
-    rh-python38-python-devel \
    which

 # Install protoc
@@ -43,8 +41,6 @@ RUN yum install -y epel-release \
    openssl \
    openssl-devel  \
    centos-release-scl  \
-    rh-python38  \
-    rh-python38-python-devel \
    which

 WORKDIR /greptime
--- a/docker/buildx/ubuntu/Dockerfile
+++ b/docker/buildx/ubuntu/Dockerfile
@@ -20,10 +20,7 @@ RUN --mount=type=cache,target=/var/cache/apt \
    curl \
    git \
    build-essential \
-    pkg-config \
-    python3.10 \
-    python3.10-dev \
-    python3-pip
+    pkg-config

 # Install Rust.
 SHELL ["/bin/bash", "-c"]
@@ -46,15 +43,8 @@ ARG OUTPUT_DIR

 RUN apt-get update && DEBIAN_FRONTEND=noninteractive apt-get \
    -y install ca-certificates \
-    python3.10 \
-    python3.10-dev \
-    python3-pip \
    curl

-COPY ./docker/python/requirements.txt /etc/greptime/requirements.txt
-
-RUN python3 -m pip install -r /etc/greptime/requirements.txt
-
 WORKDIR /greptime
 COPY --from=builder /out/target/${OUTPUT_DIR}/greptime /greptime/bin/
 ENV PATH /greptime/bin/:$PATH
--- a/docker/ci/centos/Dockerfile
+++ b/docker/ci/centos/Dockerfile
@@ -7,9 +7,7 @@ RUN sed -i s/^#.*baseurl=http/baseurl=http/g /etc/yum.repos.d/*.repo
 RUN yum install -y epel-release \
    openssl \
    openssl-devel  \
-    centos-release-scl  \
-    rh-python38  \
-    rh-python38-python-devel
+    centos-release-scl

 ARG TARGETARCH

--- a/docker/ci/ubuntu/Dockerfile
+++ b/docker/ci/ubuntu/Dockerfile
@@ -8,15 +8,8 @@ ARG TARGET_BIN=greptime

 RUN apt-get update && DEBIAN_FRONTEND=noninteractive apt-get install -y \
    ca-certificates \
-    python3.10 \
-    python3.10-dev \
-    python3-pip \
    curl

-COPY $DOCKER_BUILD_ROOT/docker/python/requirements.txt /etc/greptime/requirements.txt
-
-RUN python3 -m pip install -r /etc/greptime/requirements.txt
-
 ARG TARGETARCH

 ADD $TARGETARCH/$TARGET_BIN /greptime/bin/
--- a/docker/dev-builder/ubuntu/Dockerfile
+++ b/docker/dev-builder/ubuntu/Dockerfile
@@ -15,8 +15,8 @@ RUN apt-get update && \
 RUN apt-get update && DEBIAN_FRONTEND=noninteractive apt-get install -y \
    libssl-dev \
    tzdata \
-    protobuf-compiler \
    curl \
+    unzip \
    ca-certificates \
    git \
    build-essential \
@@ -24,6 +24,20 @@ RUN apt-get update && DEBIAN_FRONTEND=noninteractive apt-get install -y \
    python3.10 \
    python3.10-dev

+ARG TARGETPLATFORM
+RUN echo "target platform: $TARGETPLATFORM"
+
+# Install protobuf, because the one in the apt is too old (v3.12).
+RUN if [ "$TARGETPLATFORM" = "linux/arm64" ]; then \
+    curl -OL https://github.com/protocolbuffers/protobuf/releases/download/v29.1/protoc-29.1-linux-aarch_64.zip && \
+    unzip protoc-29.1-linux-aarch_64.zip -d protoc3; \
+elif [ "$TARGETPLATFORM" = "linux/amd64" ]; then \
+    curl -OL https://github.com/protocolbuffers/protobuf/releases/download/v29.1/protoc-29.1-linux-x86_64.zip && \
+    unzip protoc-29.1-linux-x86_64.zip -d protoc3; \
+fi
+RUN mv protoc3/bin/* /usr/local/bin/
+RUN mv protoc3/include/* /usr/local/include/
+
 # https://github.com/GreptimeTeam/greptimedb/actions/runs/10935485852/job/30357457188#step:3:7106
 # `aws-lc-sys` require gcc >= 10.3.0 to work, hence alias to use gcc-10
 RUN apt-get remove -y gcc-9 g++-9 cpp-9 && \
@@ -49,7 +63,7 @@ RUN apt-get -y purge python3.8 && \
 # wildcard here. However, that requires the git's config files and the submodules all owned by the very same user.
 # It's troublesome to do this since the dev build runs in Docker, which is under user "root"; while outside the Docker,
 # it can be a different user that have prepared the submodules.
-RUN git config --global --add safe.directory *
+RUN git config --global --add safe.directory '*'

 # Install Python dependencies.
 COPY $DOCKER_BUILD_ROOT/docker/python/requirements.txt /etc/greptime/requirements.txt
--- a/docs/how-to/how-to-profile-cpu.md
+++ b/docs/how-to/how-to-profile-cpu.md
@@ -20,3 +20,31 @@ Sample at 49 Hertz, for 10 seconds, output report in text format.
 ```bash
 curl -X POST -s '0:4000/debug/prof/cpu?seconds=10&frequency=49&output=text' > /tmp/pprof.txt
 ```
+
+## Using `perf`
+
+First find the pid of GreptimeDB:
+
+Using `perf record` to profile GreptimeDB, at the sampling frequency of 99 hertz, and a duration of 60 seconds:
+
+```bash
+perf record -p <pid> --call-graph dwarf -F 99 -- sleep 60
+```
+
+The result will be saved to file `perf.data`.
+
+Then
+
+```bash
+perf script --no-inline > perf.out
+```
+
+Produce a flame graph out of it:
+
+```bash
+git clone https://github.com/brendangregg/FlameGraph
+
+FlameGraph/stackcollapse-perf.pl perf.out > perf.folded
+
+FlameGraph/flamegraph.pl perf.folded > perf.svg
+```
--- a/src/auth/src/permission.rs
+++ b/src/auth/src/permission.rs
@@ -25,6 +25,7 @@ pub enum PermissionReq<'a> {
    GrpcRequest(&'a Request),
    SqlStatement(&'a Statement),
    PromQuery,
+    LogQuery,
    Opentsdb,
    LineProtocol,
    PromStoreWrite,
--- a/src/catalog/src/error.rs
+++ b/src/catalog/src/error.rs
@@ -64,6 +64,13 @@ pub enum Error {
        source: BoxedError,
    },

+    #[snafu(display("Failed to list flow stats"))]
+    ListFlowStats {
+        #[snafu(implicit)]
+        location: Location,
+        source: BoxedError,
+    },
+
    #[snafu(display("Failed to list flows in catalog {catalog}"))]
    ListFlows {
        #[snafu(implicit)]
@@ -326,6 +333,7 @@ impl ErrorExt for Error {
            | Error::ListSchemas { source, .. }
            | Error::ListTables { source, .. }
            | Error::ListFlows { source, .. }
+            | Error::ListFlowStats { source, .. }
            | Error::ListProcedures { source, .. }
            | Error::ListRegionStats { source, .. }
            | Error::ConvertProtoData { source, .. } => source.status_code(),
--- a/src/catalog/src/information_extension.rs
+++ b/src/catalog/src/information_extension.rs
@@ -17,6 +17,7 @@ use common_error::ext::BoxedError;
 use common_meta::cluster::{ClusterInfo, NodeInfo};
 use common_meta::datanode::RegionStat;
 use common_meta::ddl::{ExecutorContext, ProcedureExecutor};
+use common_meta::key::flow::flow_state::FlowStat;
 use common_meta::rpc::procedure;
 use common_procedure::{ProcedureInfo, ProcedureState};
 use meta_client::MetaClientRef;
@@ -89,4 +90,12 @@ impl InformationExtension for DistributedInformationExtension {
            .map_err(BoxedError::new)
            .context(error::ListRegionStatsSnafu)
    }
+
+    async fn flow_stats(&self) -> std::result::Result<Option<FlowStat>, Self::Error> {
+        self.meta_client
+            .list_flow_stats()
+            .await
+            .map_err(BoxedError::new)
+            .context(crate::error::ListFlowStatsSnafu)
+    }
 }
--- a/src/catalog/src/kvbackend/client.rs
+++ b/src/catalog/src/kvbackend/client.rs
@@ -18,7 +18,7 @@ use std::sync::atomic::{AtomicUsize, Ordering};
 use std::sync::{Arc, Mutex};
 use std::time::Duration;

-use common_error::ext::BoxedError;
+use common_error::ext::{BoxedError, ErrorExt};
 use common_meta::cache_invalidator::KvCacheInvalidator;
 use common_meta::error::Error::CacheNotGet;
 use common_meta::error::{CacheNotGetSnafu, Error, ExternalSnafu, GetKvCacheSnafu, Result};
@@ -37,6 +37,7 @@ use snafu::{OptionExt, ResultExt};

 use crate::metrics::{
    METRIC_CATALOG_KV_BATCH_GET, METRIC_CATALOG_KV_GET, METRIC_CATALOG_KV_REMOTE_GET,
+    METRIC_META_CLIENT_GET,
 };

 const DEFAULT_CACHE_MAX_CAPACITY: u64 = 10000;
@@ -292,7 +293,7 @@ impl KvBackend for CachedKvBackend {
        }
        .map_err(|e| {
            GetKvCacheSnafu {
-                err_msg: e.to_string(),
+                err_msg: e.output_msg(),
            }
            .build()
        });
@@ -445,6 +446,8 @@ impl KvBackend for MetaKvBackend {
    }

    async fn get(&self, key: &[u8]) -> Result<Option<KeyValue>> {
+        let _timer = METRIC_META_CLIENT_GET.start_timer();
+
        let mut response = self
            .client
            .range(RangeRequest::new().with_key(key))
--- a/src/catalog/src/kvbackend/table_cache.rs
+++ b/src/catalog/src/kvbackend/table_cache.rs
@@ -38,7 +38,7 @@ pub fn new_table_cache(
 ) -> TableCache {
    let init = init_factory(table_info_cache, table_name_cache);

-    CacheContainer::new(name, cache, Box::new(invalidator), init, Box::new(filter))
+    CacheContainer::new(name, cache, Box::new(invalidator), init, filter)
 }

 fn init_factory(
--- a/src/catalog/src/metrics.rs
+++ b/src/catalog/src/metrics.rs
@@ -34,4 +34,6 @@ lazy_static! {
        register_histogram!("greptime_catalog_kv_get", "catalog kv get").unwrap();
    pub static ref METRIC_CATALOG_KV_BATCH_GET: Histogram =
        register_histogram!("greptime_catalog_kv_batch_get", "catalog kv batch get").unwrap();
+    pub static ref METRIC_META_CLIENT_GET: Histogram =
+        register_histogram!("greptime_meta_client_get", "meta client get").unwrap();
 }
--- a/src/catalog/src/system_schema/information_schema.rs
+++ b/src/catalog/src/system_schema/information_schema.rs
@@ -35,6 +35,7 @@ use common_catalog::consts::{self, DEFAULT_CATALOG_NAME, INFORMATION_SCHEMA_NAME
 use common_error::ext::ErrorExt;
 use common_meta::cluster::NodeInfo;
 use common_meta::datanode::RegionStat;
+use common_meta::key::flow::flow_state::FlowStat;
 use common_meta::key::flow::FlowMetadataManager;
 use common_procedure::ProcedureInfo;
 use common_recordbatch::SendableRecordBatchStream;
@@ -192,6 +193,7 @@ impl SystemSchemaProviderInner for InformationSchemaProvider {
            )) as _),
            FLOWS => Some(Arc::new(InformationSchemaFlows::new(
                self.catalog_name.clone(),
+                self.catalog_manager.clone(),
                self.flow_metadata_manager.clone(),
            )) as _),
            PROCEDURE_INFO => Some(
@@ -338,6 +340,9 @@ pub trait InformationExtension {

    /// Gets the region statistics.
    async fn region_stats(&self) -> std::result::Result<Vec<RegionStat>, Self::Error>;
+
+    /// Get the flow statistics. If no flownode is available, return `None`.
+    async fn flow_stats(&self) -> std::result::Result<Option<FlowStat>, Self::Error>;
 }

 pub struct NoopInformationExtension;
@@ -357,4 +362,8 @@ impl InformationExtension for NoopInformationExtension {
    async fn region_stats(&self) -> std::result::Result<Vec<RegionStat>, Self::Error> {
        Ok(vec![])
    }
+
+    async fn flow_stats(&self) -> std::result::Result<Option<FlowStat>, Self::Error> {
+        Ok(None)
+    }
 }
--- a/src/catalog/src/system_schema/information_schema/flows.rs
+++ b/src/catalog/src/system_schema/information_schema/flows.rs
@@ -12,11 +12,12 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.

-use std::sync::Arc;
+use std::sync::{Arc, Weak};

 use common_catalog::consts::INFORMATION_SCHEMA_FLOW_TABLE_ID;
 use common_error::ext::BoxedError;
 use common_meta::key::flow::flow_info::FlowInfoValue;
+use common_meta::key::flow::flow_state::FlowStat;
 use common_meta::key::flow::FlowMetadataManager;
 use common_meta::key::FlowId;
 use common_recordbatch::adapter::RecordBatchStreamAdapter;
@@ -28,7 +29,9 @@ use datatypes::prelude::ConcreteDataType as CDT;
 use datatypes::scalars::ScalarVectorBuilder;
 use datatypes::schema::{ColumnSchema, Schema, SchemaRef};
 use datatypes::value::Value;
-use datatypes::vectors::{Int64VectorBuilder, StringVectorBuilder, UInt32VectorBuilder, VectorRef};
+use datatypes::vectors::{
+    Int64VectorBuilder, StringVectorBuilder, UInt32VectorBuilder, UInt64VectorBuilder, VectorRef,
+};
 use futures::TryStreamExt;
 use snafu::{OptionExt, ResultExt};
 use store_api::storage::{ScanRequest, TableId};
@@ -38,6 +41,8 @@ use crate::error::{
 };
 use crate::information_schema::{Predicates, FLOWS};
 use crate::system_schema::information_schema::InformationTable;
+use crate::system_schema::utils;
+use crate::CatalogManager;

 const INIT_CAPACITY: usize = 42;

@@ -45,6 +50,7 @@ const INIT_CAPACITY: usize = 42;
 // pk is (flow_name, flow_id, table_catalog)
 pub const FLOW_NAME: &str = "flow_name";
 pub const FLOW_ID: &str = "flow_id";
+pub const STATE_SIZE: &str = "state_size";
 pub const TABLE_CATALOG: &str = "table_catalog";
 pub const FLOW_DEFINITION: &str = "flow_definition";
 pub const COMMENT: &str = "comment";
@@ -55,20 +61,24 @@ pub const FLOWNODE_IDS: &str = "flownode_ids";
 pub const OPTIONS: &str = "options";

 /// The `information_schema.flows` to provides information about flows in databases.
+///
 pub(super) struct InformationSchemaFlows {
    schema: SchemaRef,
    catalog_name: String,
+    catalog_manager: Weak<dyn CatalogManager>,
    flow_metadata_manager: Arc<FlowMetadataManager>,
 }

 impl InformationSchemaFlows {
    pub(super) fn new(
        catalog_name: String,
+        catalog_manager: Weak<dyn CatalogManager>,
        flow_metadata_manager: Arc<FlowMetadataManager>,
    ) -> Self {
        Self {
            schema: Self::schema(),
            catalog_name,
+            catalog_manager,
            flow_metadata_manager,
        }
    }
@@ -80,6 +90,7 @@ impl InformationSchemaFlows {
            vec![
                (FLOW_NAME, CDT::string_datatype(), false),
                (FLOW_ID, CDT::uint32_datatype(), false),
+                (STATE_SIZE, CDT::uint64_datatype(), true),
                (TABLE_CATALOG, CDT::string_datatype(), false),
                (FLOW_DEFINITION, CDT::string_datatype(), false),
                (COMMENT, CDT::string_datatype(), true),
@@ -99,6 +110,7 @@ impl InformationSchemaFlows {
        InformationSchemaFlowsBuilder::new(
            self.schema.clone(),
            self.catalog_name.clone(),
+            self.catalog_manager.clone(),
            &self.flow_metadata_manager,
        )
    }
@@ -144,10 +156,12 @@ impl InformationTable for InformationSchemaFlows {
 struct InformationSchemaFlowsBuilder {
    schema: SchemaRef,
    catalog_name: String,
+    catalog_manager: Weak<dyn CatalogManager>,
    flow_metadata_manager: Arc<FlowMetadataManager>,

    flow_names: StringVectorBuilder,
    flow_ids: UInt32VectorBuilder,
+    state_sizes: UInt64VectorBuilder,
    table_catalogs: StringVectorBuilder,
    raw_sqls: StringVectorBuilder,
    comments: StringVectorBuilder,
@@ -162,15 +176,18 @@ impl InformationSchemaFlowsBuilder {
    fn new(
        schema: SchemaRef,
        catalog_name: String,
+        catalog_manager: Weak<dyn CatalogManager>,
        flow_metadata_manager: &Arc<FlowMetadataManager>,
    ) -> Self {
        Self {
            schema,
            catalog_name,
+            catalog_manager,
            flow_metadata_manager: flow_metadata_manager.clone(),

            flow_names: StringVectorBuilder::with_capacity(INIT_CAPACITY),
            flow_ids: UInt32VectorBuilder::with_capacity(INIT_CAPACITY),
+            state_sizes: UInt64VectorBuilder::with_capacity(INIT_CAPACITY),
            table_catalogs: StringVectorBuilder::with_capacity(INIT_CAPACITY),
            raw_sqls: StringVectorBuilder::with_capacity(INIT_CAPACITY),
            comments: StringVectorBuilder::with_capacity(INIT_CAPACITY),
@@ -195,6 +212,11 @@ impl InformationSchemaFlowsBuilder {
            .flow_names(&catalog_name)
            .await;

+        let flow_stat = {
+            let information_extension = utils::information_extension(&self.catalog_manager)?;
+            information_extension.flow_stats().await?
+        };
+
        while let Some((flow_name, flow_id)) = stream
            .try_next()
            .await
@@ -213,7 +235,7 @@ impl InformationSchemaFlowsBuilder {
                    catalog_name: catalog_name.to_string(),
                    flow_name: flow_name.to_string(),
                })?;
-            self.add_flow(&predicates, flow_id.flow_id(), flow_info)?;
+            self.add_flow(&predicates, flow_id.flow_id(), flow_info, &flow_stat)?;
        }

        self.finish()
@@ -224,6 +246,7 @@ impl InformationSchemaFlowsBuilder {
        predicates: &Predicates,
        flow_id: FlowId,
        flow_info: FlowInfoValue,
+        flow_stat: &Option<FlowStat>,
    ) -> Result<()> {
        let row = [
            (FLOW_NAME, &Value::from(flow_info.flow_name().to_string())),
@@ -238,6 +261,11 @@ impl InformationSchemaFlowsBuilder {
        }
        self.flow_names.push(Some(flow_info.flow_name()));
        self.flow_ids.push(Some(flow_id));
+        self.state_sizes.push(
+            flow_stat
+                .as_ref()
+                .and_then(|state| state.state_size.get(&flow_id).map(|v| *v as u64)),
+        );
        self.table_catalogs.push(Some(flow_info.catalog_name()));
        self.raw_sqls.push(Some(flow_info.raw_sql()));
        self.comments.push(Some(flow_info.comment()));
@@ -270,6 +298,7 @@ impl InformationSchemaFlowsBuilder {
        let columns: Vec<VectorRef> = vec![
            Arc::new(self.flow_names.finish()),
            Arc::new(self.flow_ids.finish()),
+            Arc::new(self.state_sizes.finish()),
            Arc::new(self.table_catalogs.finish()),
            Arc::new(self.raw_sqls.finish()),
            Arc::new(self.comments.finish()),
--- a/src/cli/Cargo.toml
+++ b/src/cli/Cargo.toml
@@ -15,7 +15,7 @@ cache.workspace = true
 catalog.workspace = true
 chrono.workspace = true
 clap.workspace = true
-client.workspace = true
+client = { workspace = true, features = ["testing"] }
 common-base.workspace = true
 common-catalog.workspace = true
 common-config.workspace = true
@@ -56,7 +56,6 @@ tokio.workspace = true
 tracing-appender.workspace = true

 [dev-dependencies]
-client = { workspace = true, features = ["testing"] }
 common-test-util.workspace = true
 common-version.workspace = true
 serde.workspace = true
--- a/src/cli/src/repl.rs
+++ b/src/cli/src/repl.rs
@@ -34,7 +34,7 @@ use common_query::Output;
 use common_recordbatch::RecordBatches;
 use common_telemetry::debug;
 use either::Either;
-use meta_client::client::MetaClientBuilder;
+use meta_client::client::{ClusterKvBackend, MetaClientBuilder};
 use query::datafusion::DatafusionQueryEngine;
 use query::parser::QueryLanguageParser;
 use query::query_engine::{DefaultSerializer, QueryEngineState};
--- a/src/cmd/src/datanode.rs
+++ b/src/cmd/src/datanode.rs
@@ -62,6 +62,13 @@ impl Instance {
    pub fn datanode(&self) -> &Datanode {
        &self.datanode
    }
+
+    /// Get mutable Datanode instance for changing some internal state, before starting it.
+    // Useful for wrapping Datanode instance. Please do not remove this method even if you find
+    // nowhere it is called.
+    pub fn datanode_mut(&mut self) -> &mut Datanode {
+        &mut self.datanode
+    }
 }

 #[async_trait]
--- a/src/cmd/src/standalone.rs
+++ b/src/cmd/src/standalone.rs
@@ -22,6 +22,7 @@ use catalog::information_schema::InformationExtension;
 use catalog::kvbackend::KvBackendCatalogManager;
 use clap::Parser;
 use client::api::v1::meta::RegionRole;
+use common_base::readable_size::ReadableSize;
 use common_base::Plugins;
 use common_catalog::consts::{MIN_USER_FLOW_ID, MIN_USER_TABLE_ID};
 use common_config::{metadata_store_dir, Configurable, KvBackendConfig};
@@ -34,6 +35,7 @@ use common_meta::ddl::flow_meta::{FlowMetadataAllocator, FlowMetadataAllocatorRe
 use common_meta::ddl::table_meta::{TableMetadataAllocator, TableMetadataAllocatorRef};
 use common_meta::ddl::{DdlContext, NoopRegionFailureDetectorControl, ProcedureExecutorRef};
 use common_meta::ddl_manager::DdlManager;
+use common_meta::key::flow::flow_state::FlowStat;
 use common_meta::key::flow::{FlowMetadataManager, FlowMetadataManagerRef};
 use common_meta::key::{TableMetadataManager, TableMetadataManagerRef};
 use common_meta::kv_backend::KvBackendRef;
@@ -70,7 +72,7 @@ use servers::http::HttpOptions;
 use servers::tls::{TlsMode, TlsOption};
 use servers::Mode;
 use snafu::ResultExt;
-use tokio::sync::broadcast;
+use tokio::sync::{broadcast, RwLock};
 use tracing_appender::non_blocking::WorkerGuard;

 use crate::error::{
@@ -151,6 +153,7 @@ pub struct StandaloneOptions {
    pub tracing: TracingOptions,
    pub init_regions_in_background: bool,
    pub init_regions_parallelism: usize,
+    pub max_in_flight_write_bytes: Option<ReadableSize>,
 }

 impl Default for StandaloneOptions {
@@ -180,6 +183,7 @@ impl Default for StandaloneOptions {
            tracing: TracingOptions::default(),
            init_regions_in_background: false,
            init_regions_parallelism: 16,
+            max_in_flight_write_bytes: None,
        }
    }
 }
@@ -217,6 +221,7 @@ impl StandaloneOptions {
            user_provider: cloned_opts.user_provider,
            // Handle the export metrics task run by standalone to frontend for execution
            export_metrics: cloned_opts.export_metrics,
+            max_in_flight_write_bytes: cloned_opts.max_in_flight_write_bytes,
            ..Default::default()
        }
    }
@@ -507,7 +512,7 @@ impl StartCommand {
            procedure_manager.clone(),
        ));
        let catalog_manager = KvBackendCatalogManager::new(
-            information_extension,
+            information_extension.clone(),
            kv_backend.clone(),
            layered_cache_registry.clone(),
            Some(procedure_manager.clone()),
@@ -532,6 +537,14 @@ impl StartCommand {
                .context(OtherSnafu)?,
        );

+        // set the ref to query for the local flow state
+        {
+            let flow_worker_manager = flownode.flow_worker_manager();
+            information_extension
+                .set_flow_worker_manager(flow_worker_manager.clone())
+                .await;
+        }
+
        let node_manager = Arc::new(StandaloneDatanodeManager {
            region_server: datanode.region_server(),
            flow_server: flownode.flow_worker_manager(),
@@ -669,6 +682,7 @@ pub struct StandaloneInformationExtension {
    region_server: RegionServer,
    procedure_manager: ProcedureManagerRef,
    start_time_ms: u64,
+    flow_worker_manager: RwLock<Option<Arc<FlowWorkerManager>>>,
 }

 impl StandaloneInformationExtension {
@@ -677,8 +691,15 @@ impl StandaloneInformationExtension {
            region_server,
            procedure_manager,
            start_time_ms: common_time::util::current_time_millis() as u64,
+            flow_worker_manager: RwLock::new(None),
        }
    }
+
+    /// Set the flow worker manager for the standalone instance.
+    pub async fn set_flow_worker_manager(&self, flow_worker_manager: Arc<FlowWorkerManager>) {
+        let mut guard = self.flow_worker_manager.write().await;
+        *guard = Some(flow_worker_manager);
+    }
 }

 #[async_trait::async_trait]
@@ -750,6 +771,18 @@ impl InformationExtension for StandaloneInformationExtension {
            .collect::<Vec<_>>();
        Ok(stats)
    }
+
+    async fn flow_stats(&self) -> std::result::Result<Option<FlowStat>, Self::Error> {
+        Ok(Some(
+            self.flow_worker_manager
+                .read()
+                .await
+                .as_ref()
+                .unwrap()
+                .gen_state_report()
+                .await,
+        ))
+    }
 }

 #[cfg(test)]
--- a/src/common/error/Cargo.toml
+++ b/src/common/error/Cargo.toml
@@ -8,6 +8,7 @@ license.workspace = true
 workspace = true

 [dependencies]
+http.workspace = true
 snafu.workspace = true
 strum.workspace = true
 tonic.workspace = true
--- a/src/common/error/src/lib.rs
+++ b/src/common/error/src/lib.rs
@@ -18,9 +18,30 @@ pub mod ext;
 pub mod mock;
 pub mod status_code;

+use http::{HeaderMap, HeaderValue};
 pub use snafu;

 // HACK - these headers are here for shared in gRPC services. For common HTTP headers,
 // please define in `src/servers/src/http/header.rs`.
 pub const GREPTIME_DB_HEADER_ERROR_CODE: &str = "x-greptime-err-code";
 pub const GREPTIME_DB_HEADER_ERROR_MSG: &str = "x-greptime-err-msg";
+
+/// Create a http header map from error code and message.
+/// using `GREPTIME_DB_HEADER_ERROR_CODE` and `GREPTIME_DB_HEADER_ERROR_MSG` as keys.
+pub fn from_err_code_msg_to_header(code: u32, msg: &str) -> HeaderMap {
+    let mut header = HeaderMap::new();
+
+    let msg = HeaderValue::from_str(msg).unwrap_or_else(|_| {
+        HeaderValue::from_bytes(
+            &msg.as_bytes()
+                .iter()
+                .flat_map(|b| std::ascii::escape_default(*b))
+                .collect::<Vec<u8>>(),
+        )
+        .expect("Already escaped string should be valid ascii")
+    });
+
+    header.insert(GREPTIME_DB_HEADER_ERROR_CODE, code.into());
+    header.insert(GREPTIME_DB_HEADER_ERROR_MSG, msg);
+    header
+}
--- a/src/common/function/Cargo.toml
+++ b/src/common/function/Cargo.toml
@@ -33,7 +33,7 @@ geo-types = { version = "0.7", optional = true }
 geohash = { version = "0.13", optional = true }
 h3o = { version = "0.6", optional = true }
 jsonb.workspace = true
-nalgebra = "0.33"
+nalgebra.workspace = true
 num = "0.4"
 num-traits = "0.2"
 once_cell.workspace = true
--- a/src/common/function/src/lib.rs
+++ b/src/common/function/src/lib.rs
@@ -26,3 +26,4 @@ pub mod function_registry;
 pub mod handlers;
 pub mod helper;
 pub mod state;
+pub mod utils;
--- a/src/common/function/src/scalars/aggregate.rs
+++ b/src/common/function/src/scalars/aggregate.rs
@@ -32,6 +32,7 @@ pub use scipy_stats_norm_cdf::ScipyStatsNormCdfAccumulatorCreator;
 pub use scipy_stats_norm_pdf::ScipyStatsNormPdfAccumulatorCreator;

 use crate::function_registry::FunctionRegistry;
+use crate::scalars::vector::sum::VectorSumCreator;

 /// A function creates `AggregateFunctionCreator`.
 /// "Aggregator" *is* AggregatorFunction. Since the later one is long, we named an short alias for it.
@@ -91,6 +92,7 @@ impl AggregateFunctions {
        register_aggr_func!("argmin", 1, ArgminAccumulatorCreator);
        register_aggr_func!("scipystatsnormcdf", 2, ScipyStatsNormCdfAccumulatorCreator);
        register_aggr_func!("scipystatsnormpdf", 2, ScipyStatsNormPdfAccumulatorCreator);
+        register_aggr_func!("vec_sum", 1, VectorSumCreator);

        #[cfg(feature = "geo")]
        register_aggr_func!(
--- a/src/common/function/src/scalars/matches.rs
+++ b/src/common/function/src/scalars/matches.rs
@@ -204,20 +204,10 @@ impl PatternAst {
    fn convert_literal(column: &str, pattern: &str) -> Expr {
        logical_expr::col(column).like(logical_expr::lit(format!(
            "%{}%",
-            Self::escape_pattern(pattern)
+            crate::utils::escape_like_pattern(pattern)
        )))
    }

-    fn escape_pattern(pattern: &str) -> String {
-        pattern
-            .chars()
-            .flat_map(|c| match c {
-                '\\' | '%' | '_' => vec!['\\', c],
-                _ => vec![c],
-            })
-            .collect::<String>()
-    }
-
    /// Transform this AST with preset rules to make it correct.
    fn transform_ast(self) -> Result<Self> {
        self.transform_up(Self::collapse_binary_branch_fn)
--- a/src/common/function/src/scalars/vector.rs
+++ b/src/common/function/src/scalars/vector.rs
@@ -14,9 +14,14 @@

 mod convert;
 mod distance;
-pub(crate) mod impl_conv;
+mod elem_sum;
+pub mod impl_conv;
 mod scalar_add;
 mod scalar_mul;
+mod sub;
+pub(crate) mod sum;
+mod vector_div;
+mod vector_mul;

 use std::sync::Arc;

@@ -38,5 +43,11 @@ impl VectorFunction {
        // scalar calculation
        registry.register(Arc::new(scalar_add::ScalarAddFunction));
        registry.register(Arc::new(scalar_mul::ScalarMulFunction));
+
+        // vector calculation
+        registry.register(Arc::new(vector_mul::VectorMulFunction));
+        registry.register(Arc::new(vector_div::VectorDivFunction));
+        registry.register(Arc::new(sub::SubFunction));
+        registry.register(Arc::new(elem_sum::ElemSumFunction));
    }
 }
--- a/src/common/function/src/scalars/vector/elem_sum.rs
+++ b/src/common/function/src/scalars/vector/elem_sum.rs
@@ -0,0 +1,129 @@
+// Copyright 2023 Greptime Team
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+use std::borrow::Cow;
+use std::fmt::Display;
+
+use common_query::error::InvalidFuncArgsSnafu;
+use common_query::prelude::{Signature, TypeSignature, Volatility};
+use datatypes::prelude::ConcreteDataType;
+use datatypes::scalars::ScalarVectorBuilder;
+use datatypes::vectors::{Float32VectorBuilder, MutableVector, VectorRef};
+use nalgebra::DVectorView;
+use snafu::ensure;
+
+use crate::function::{Function, FunctionContext};
+use crate::scalars::vector::impl_conv::{as_veclit, as_veclit_if_const};
+
+const NAME: &str = "vec_elem_sum";
+
+#[derive(Debug, Clone, Default)]
+pub struct ElemSumFunction;
+
+impl Function for ElemSumFunction {
+    fn name(&self) -> &str {
+        NAME
+    }
+
+    fn return_type(
+        &self,
+        _input_types: &[ConcreteDataType],
+    ) -> common_query::error::Result<ConcreteDataType> {
+        Ok(ConcreteDataType::float32_datatype())
+    }
+
+    fn signature(&self) -> Signature {
+        Signature::one_of(
+            vec![
+                TypeSignature::Exact(vec![ConcreteDataType::string_datatype()]),
+                TypeSignature::Exact(vec![ConcreteDataType::binary_datatype()]),
+            ],
+            Volatility::Immutable,
+        )
+    }
+
+    fn eval(
+        &self,
+        _func_ctx: FunctionContext,
+        columns: &[VectorRef],
+    ) -> common_query::error::Result<VectorRef> {
+        ensure!(
+            columns.len() == 1,
+            InvalidFuncArgsSnafu {
+                err_msg: format!(
+                    "The length of the args is not correct, expect exactly one, have: {}",
+                    columns.len()
+                )
+            }
+        );
+        let arg0 = &columns[0];
+
+        let len = arg0.len();
+        let mut result = Float32VectorBuilder::with_capacity(len);
+        if len == 0 {
+            return Ok(result.to_vector());
+        }
+
+        let arg0_const = as_veclit_if_const(arg0)?;
+
+        for i in 0..len {
+            let arg0 = match arg0_const.as_ref() {
+                Some(arg0) => Some(Cow::Borrowed(arg0.as_ref())),
+                None => as_veclit(arg0.get_ref(i))?,
+            };
+            let Some(arg0) = arg0 else {
+                result.push_null();
+                continue;
+            };
+            result.push(Some(DVectorView::from_slice(&arg0, arg0.len()).sum()));
+        }
+
+        Ok(result.to_vector())
+    }
+}
+
+impl Display for ElemSumFunction {
+    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
+        write!(f, "{}", NAME.to_ascii_uppercase())
+    }
+}
+
+#[cfg(test)]
+mod tests {
+    use std::sync::Arc;
+
+    use datatypes::vectors::StringVector;
+
+    use super::*;
+    use crate::function::FunctionContext;
+
+    #[test]
+    fn test_elem_sum() {
+        let func = ElemSumFunction;
+
+        let input0 = Arc::new(StringVector::from(vec![
+            Some("[1.0,2.0,3.0]".to_string()),
+            Some("[4.0,5.0,6.0]".to_string()),
+            None,
+        ]));
+
+        let result = func.eval(FunctionContext::default(), &[input0]).unwrap();
+
+        let result = result.as_ref();
+        assert_eq!(result.len(), 3);
+        assert_eq!(result.get_ref(0).as_f32().unwrap(), Some(6.0));
+        assert_eq!(result.get_ref(1).as_f32().unwrap(), Some(15.0));
+        assert_eq!(result.get_ref(2).as_f32().unwrap(), None);
+    }
+}
--- a/src/common/function/src/scalars/vector/sub.rs
+++ b/src/common/function/src/scalars/vector/sub.rs
@@ -0,0 +1,223 @@
+// Copyright 2023 Greptime Team
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+use std::borrow::Cow;
+use std::fmt::Display;
+
+use common_query::error::InvalidFuncArgsSnafu;
+use common_query::prelude::Signature;
+use datatypes::prelude::ConcreteDataType;
+use datatypes::scalars::ScalarVectorBuilder;
+use datatypes::vectors::{BinaryVectorBuilder, MutableVector, VectorRef};
+use nalgebra::DVectorView;
+use snafu::ensure;
+
+use crate::function::{Function, FunctionContext};
+use crate::helper;
+use crate::scalars::vector::impl_conv::{as_veclit, as_veclit_if_const, veclit_to_binlit};
+
+const NAME: &str = "vec_sub";
+
+/// Subtracts corresponding elements of two vectors, returns a vector.
+///
+/// # Example
+///
+/// ```sql
+/// SELECT vec_to_string(vec_sub("[1.0, 1.0]", "[1.0, 2.0]")) as result;
+///
+/// +---------------------------------------------------------------+
+/// | vec_to_string(vec_sub(Utf8("[1.0, 1.0]"),Utf8("[1.0, 2.0]"))) |
+/// +---------------------------------------------------------------+
+/// | [0,-1]                                                        |
+/// +---------------------------------------------------------------+
+///
+/// -- Negative scalar to simulate subtraction
+/// SELECT vec_to_string(vec_sub('[-1.0, -1.0]', '[1.0, 2.0]'));
+///
+/// +-----------------------------------------------------------------+
+/// | vec_to_string(vec_sub(Utf8("[-1.0, -1.0]"),Utf8("[1.0, 2.0]"))) |
+/// +-----------------------------------------------------------------+
+/// | [-2,-3]                                                         |
+/// +-----------------------------------------------------------------+
+///
+#[derive(Debug, Clone, Default)]
+pub struct SubFunction;
+
+impl Function for SubFunction {
+    fn name(&self) -> &str {
+        NAME
+    }
+
+    fn return_type(
+        &self,
+        _input_types: &[ConcreteDataType],
+    ) -> common_query::error::Result<ConcreteDataType> {
+        Ok(ConcreteDataType::binary_datatype())
+    }
+
+    fn signature(&self) -> Signature {
+        helper::one_of_sigs2(
+            vec![
+                ConcreteDataType::string_datatype(),
+                ConcreteDataType::binary_datatype(),
+            ],
+            vec![
+                ConcreteDataType::string_datatype(),
+                ConcreteDataType::binary_datatype(),
+            ],
+        )
+    }
+
+    fn eval(
+        &self,
+        _func_ctx: FunctionContext,
+        columns: &[VectorRef],
+    ) -> common_query::error::Result<VectorRef> {
+        ensure!(
+            columns.len() == 2,
+            InvalidFuncArgsSnafu {
+                err_msg: format!(
+                    "The length of the args is not correct, expect exactly two, have: {}",
+                    columns.len()
+                )
+            }
+        );
+        let arg0 = &columns[0];
+        let arg1 = &columns[1];
+
+        ensure!(
+            arg0.len() == arg1.len(),
+            InvalidFuncArgsSnafu {
+                err_msg: format!(
+                    "The lengths of the vector are not aligned, args 0: {}, args 1: {}",
+                    arg0.len(),
+                    arg1.len(),
+                )
+            }
+        );
+
+        let len = arg0.len();
+        let mut result = BinaryVectorBuilder::with_capacity(len);
+        if len == 0 {
+            return Ok(result.to_vector());
+        }
+
+        let arg0_const = as_veclit_if_const(arg0)?;
+        let arg1_const = as_veclit_if_const(arg1)?;
+
+        for i in 0..len {
+            let arg0 = match arg0_const.as_ref() {
+                Some(arg0) => Some(Cow::Borrowed(arg0.as_ref())),
+                None => as_veclit(arg0.get_ref(i))?,
+            };
+            let arg1 = match arg1_const.as_ref() {
+                Some(arg1) => Some(Cow::Borrowed(arg1.as_ref())),
+                None => as_veclit(arg1.get_ref(i))?,
+            };
+            let (Some(arg0), Some(arg1)) = (arg0, arg1) else {
+                result.push_null();
+                continue;
+            };
+            let vec0 = DVectorView::from_slice(&arg0, arg0.len());
+            let vec1 = DVectorView::from_slice(&arg1, arg1.len());
+
+            let vec_res = vec0 - vec1;
+            let veclit = vec_res.as_slice();
+            let binlit = veclit_to_binlit(veclit);
+            result.push(Some(&binlit));
+        }
+
+        Ok(result.to_vector())
+    }
+}
+
+impl Display for SubFunction {
+    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
+        write!(f, "{}", NAME.to_ascii_uppercase())
+    }
+}
+
+#[cfg(test)]
+mod tests {
+    use std::sync::Arc;
+
+    use common_query::error::Error;
+    use datatypes::vectors::StringVector;
+
+    use super::*;
+
+    #[test]
+    fn test_sub() {
+        let func = SubFunction;
+
+        let input0 = Arc::new(StringVector::from(vec![
+            Some("[1.0,2.0,3.0]".to_string()),
+            Some("[4.0,5.0,6.0]".to_string()),
+            None,
+            Some("[2.0,3.0,3.0]".to_string()),
+        ]));
+        let input1 = Arc::new(StringVector::from(vec![
+            Some("[1.0,1.0,1.0]".to_string()),
+            Some("[6.0,5.0,4.0]".to_string()),
+            Some("[3.0,2.0,2.0]".to_string()),
+            None,
+        ]));
+
+        let result = func
+            .eval(FunctionContext::default(), &[input0, input1])
+            .unwrap();
+
+        let result = result.as_ref();
+        assert_eq!(result.len(), 4);
+        assert_eq!(
+            result.get_ref(0).as_binary().unwrap(),
+            Some(veclit_to_binlit(&[0.0, 1.0, 2.0]).as_slice())
+        );
+        assert_eq!(
+            result.get_ref(1).as_binary().unwrap(),
+            Some(veclit_to_binlit(&[-2.0, 0.0, 2.0]).as_slice())
+        );
+        assert!(result.get_ref(2).is_null());
+        assert!(result.get_ref(3).is_null());
+    }
+
+    #[test]
+    fn test_sub_error() {
+        let func = SubFunction;
+
+        let input0 = Arc::new(StringVector::from(vec![
+            Some("[1.0,2.0,3.0]".to_string()),
+            Some("[4.0,5.0,6.0]".to_string()),
+            None,
+            Some("[2.0,3.0,3.0]".to_string()),
+        ]));
+        let input1 = Arc::new(StringVector::from(vec![
+            Some("[1.0,1.0,1.0]".to_string()),
+            Some("[6.0,5.0,4.0]".to_string()),
+            Some("[3.0,2.0,2.0]".to_string()),
+        ]));
+
+        let result = func.eval(FunctionContext::default(), &[input0, input1]);
+
+        match result {
+            Err(Error::InvalidFuncArgs { err_msg, .. }) => {
+                assert_eq!(
+                    err_msg,
+                    "The lengths of the vector are not aligned, args 0: 4, args 1: 3"
+                )
+            }
+            _ => unreachable!(),
+        }
+    }
+}
--- a/src/common/function/src/scalars/vector/sum.rs
+++ b/src/common/function/src/scalars/vector/sum.rs
@@ -0,0 +1,202 @@
+// Copyright 2023 Greptime Team
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+use std::sync::Arc;
+
+use common_macro::{as_aggr_func_creator, AggrFuncTypeStore};
+use common_query::error::{CreateAccumulatorSnafu, Error, InvalidFuncArgsSnafu};
+use common_query::logical_plan::{Accumulator, AggregateFunctionCreator};
+use common_query::prelude::AccumulatorCreatorFunction;
+use datatypes::prelude::{ConcreteDataType, Value, *};
+use datatypes::vectors::VectorRef;
+use nalgebra::{Const, DVectorView, Dyn, OVector};
+use snafu::ensure;
+
+use crate::scalars::vector::impl_conv::{as_veclit, as_veclit_if_const, veclit_to_binlit};
+
+#[derive(Debug, Default)]
+pub struct VectorSum {
+    sum: Option<OVector<f32, Dyn>>,
+    has_null: bool,
+}
+
+#[as_aggr_func_creator]
+#[derive(Debug, Default, AggrFuncTypeStore)]
+pub struct VectorSumCreator {}
+
+impl AggregateFunctionCreator for VectorSumCreator {
+    fn creator(&self) -> AccumulatorCreatorFunction {
+        let creator: AccumulatorCreatorFunction = Arc::new(move |types: &[ConcreteDataType]| {
+            ensure!(
+                types.len() == 1,
+                InvalidFuncArgsSnafu {
+                    err_msg: format!(
+                        "The length of the args is not correct, expect exactly one, have: {}",
+                        types.len()
+                    )
+                }
+            );
+            let input_type = &types[0];
+            match input_type {
+                ConcreteDataType::String(_) | ConcreteDataType::Binary(_) => {
+                    Ok(Box::new(VectorSum::default()))
+                }
+                _ => {
+                    let err_msg = format!(
+                        "\"VEC_SUM\" aggregate function not support data type {:?}",
+                        input_type.logical_type_id(),
+                    );
+                    CreateAccumulatorSnafu { err_msg }.fail()?
+                }
+            }
+        });
+        creator
+    }
+
+    fn output_type(&self) -> common_query::error::Result<ConcreteDataType> {
+        Ok(ConcreteDataType::binary_datatype())
+    }
+
+    fn state_types(&self) -> common_query::error::Result<Vec<ConcreteDataType>> {
+        Ok(vec![self.output_type()?])
+    }
+}
+
+impl VectorSum {
+    fn inner(&mut self, len: usize) -> &mut OVector<f32, Dyn> {
+        self.sum
+            .get_or_insert_with(|| OVector::zeros_generic(Dyn(len), Const::<1>))
+    }
+
+    fn update(&mut self, values: &[VectorRef], is_update: bool) -> Result<(), Error> {
+        if values.is_empty() || self.has_null {
+            return Ok(());
+        };
+        let column = &values[0];
+        let len = column.len();
+
+        match as_veclit_if_const(column)? {
+            Some(column) => {
+                let vec_column = DVectorView::from_slice(&column, column.len()).scale(len as f32);
+                *self.inner(vec_column.len()) += vec_column;
+            }
+            None => {
+                for i in 0..len {
+                    let Some(arg0) = as_veclit(column.get_ref(i))? else {
+                        if is_update {
+                            self.has_null = true;
+                            self.sum = None;
+                        }
+                        return Ok(());
+                    };
+                    let vec_column = DVectorView::from_slice(&arg0, arg0.len());
+                    *self.inner(vec_column.len()) += vec_column;
+                }
+            }
+        }
+        Ok(())
+    }
+}
+
+impl Accumulator for VectorSum {
+    fn state(&self) -> common_query::error::Result<Vec<Value>> {
+        self.evaluate().map(|v| vec![v])
+    }
+
+    fn update_batch(&mut self, values: &[VectorRef]) -> common_query::error::Result<()> {
+        self.update(values, true)
+    }
+
+    fn merge_batch(&mut self, states: &[VectorRef]) -> common_query::error::Result<()> {
+        self.update(states, false)
+    }
+
+    fn evaluate(&self) -> common_query::error::Result<Value> {
+        match &self.sum {
+            None => Ok(Value::Null),
+            Some(vector) => Ok(Value::from(veclit_to_binlit(vector.as_slice()))),
+        }
+    }
+}
+
+#[cfg(test)]
+mod tests {
+    use std::sync::Arc;
+
+    use datatypes::vectors::{ConstantVector, StringVector};
+
+    use super::*;
+
+    #[test]
+    fn test_update_batch() {
+        // test update empty batch, expect not updating anything
+        let mut vec_sum = VectorSum::default();
+        vec_sum.update_batch(&[]).unwrap();
+        assert!(vec_sum.sum.is_none());
+        assert!(!vec_sum.has_null);
+        assert_eq!(Value::Null, vec_sum.evaluate().unwrap());
+
+        // test update one not-null value
+        let mut vec_sum = VectorSum::default();
+        let v: Vec<VectorRef> = vec![Arc::new(StringVector::from(vec![Some(
+            "[1.0,2.0,3.0]".to_string(),
+        )]))];
+        vec_sum.update_batch(&v).unwrap();
+        assert_eq!(
+            Value::from(veclit_to_binlit(&[1.0, 2.0, 3.0])),
+            vec_sum.evaluate().unwrap()
+        );
+
+        // test update one null value
+        let mut vec_sum = VectorSum::default();
+        let v: Vec<VectorRef> = vec![Arc::new(StringVector::from(vec![Option::<String>::None]))];
+        vec_sum.update_batch(&v).unwrap();
+        assert_eq!(Value::Null, vec_sum.evaluate().unwrap());
+
+        // test update no null-value batch
+        let mut vec_sum = VectorSum::default();
+        let v: Vec<VectorRef> = vec![Arc::new(StringVector::from(vec![
+            Some("[1.0,2.0,3.0]".to_string()),
+            Some("[4.0,5.0,6.0]".to_string()),
+            Some("[7.0,8.0,9.0]".to_string()),
+        ]))];
+        vec_sum.update_batch(&v).unwrap();
+        assert_eq!(
+            Value::from(veclit_to_binlit(&[12.0, 15.0, 18.0])),
+            vec_sum.evaluate().unwrap()
+        );
+
+        // test update null-value batch
+        let mut vec_sum = VectorSum::default();
+        let v: Vec<VectorRef> = vec![Arc::new(StringVector::from(vec![
+            Some("[1.0,2.0,3.0]".to_string()),
+            None,
+            Some("[7.0,8.0,9.0]".to_string()),
+        ]))];
+        vec_sum.update_batch(&v).unwrap();
+        assert_eq!(Value::Null, vec_sum.evaluate().unwrap());
+
+        // test update with constant vector
+        let mut vec_sum = VectorSum::default();
+        let v: Vec<VectorRef> = vec![Arc::new(ConstantVector::new(
+            Arc::new(StringVector::from_vec(vec!["[1.0,2.0,3.0]".to_string()])),
+            4,
+        ))];
+        vec_sum.update_batch(&v).unwrap();
+        assert_eq!(
+            Value::from(veclit_to_binlit(&[4.0, 8.0, 12.0])),
+            vec_sum.evaluate().unwrap()
+        );
+    }
+}
--- a/src/common/function/src/scalars/vector/vector_div.rs
+++ b/src/common/function/src/scalars/vector/vector_div.rs
@@ -0,0 +1,218 @@
+// Copyright 2023 Greptime Team
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+use std::borrow::Cow;
+use std::fmt::Display;
+
+use common_query::error::{InvalidFuncArgsSnafu, Result};
+use common_query::prelude::Signature;
+use datatypes::prelude::ConcreteDataType;
+use datatypes::scalars::ScalarVectorBuilder;
+use datatypes::vectors::{BinaryVectorBuilder, MutableVector, VectorRef};
+use nalgebra::DVectorView;
+use snafu::ensure;
+
+use crate::function::{Function, FunctionContext};
+use crate::helper;
+use crate::scalars::vector::impl_conv::{as_veclit, as_veclit_if_const, veclit_to_binlit};
+
+const NAME: &str = "vec_div";
+
+/// Divides corresponding elements of two vectors.
+///
+/// # Example
+///
+/// ```sql
+/// SELECT vec_to_string(vec_div("[2, 4, 6]", "[2, 2, 2]")) as result;
+///
+/// +---------+
+/// | result  |
+/// +---------+
+/// | [1,2,3] |
+/// +---------+
+///
+/// ```
+#[derive(Debug, Clone, Default)]
+pub struct VectorDivFunction;
+
+impl Function for VectorDivFunction {
+    fn name(&self) -> &str {
+        NAME
+    }
+
+    fn return_type(&self, _input_types: &[ConcreteDataType]) -> Result<ConcreteDataType> {
+        Ok(ConcreteDataType::binary_datatype())
+    }
+
+    fn signature(&self) -> Signature {
+        helper::one_of_sigs2(
+            vec![
+                ConcreteDataType::string_datatype(),
+                ConcreteDataType::binary_datatype(),
+            ],
+            vec![
+                ConcreteDataType::string_datatype(),
+                ConcreteDataType::binary_datatype(),
+            ],
+        )
+    }
+
+    fn eval(&self, _func_ctx: FunctionContext, columns: &[VectorRef]) -> Result<VectorRef> {
+        ensure!(
+            columns.len() == 2,
+            InvalidFuncArgsSnafu {
+                err_msg: format!(
+                    "The length of the args is not correct, expect exactly two, have: {}",
+                    columns.len()
+                ),
+            }
+        );
+
+        let arg0 = &columns[0];
+        let arg1 = &columns[1];
+
+        let len = arg0.len();
+        let mut result = BinaryVectorBuilder::with_capacity(len);
+        if len == 0 {
+            return Ok(result.to_vector());
+        }
+
+        let arg0_const = as_veclit_if_const(arg0)?;
+        let arg1_const = as_veclit_if_const(arg1)?;
+
+        for i in 0..len {
+            let arg0 = match arg0_const.as_ref() {
+                Some(arg0) => Some(Cow::Borrowed(arg0.as_ref())),
+                None => as_veclit(arg0.get_ref(i))?,
+            };
+
+            let arg1 = match arg1_const.as_ref() {
+                Some(arg1) => Some(Cow::Borrowed(arg1.as_ref())),
+                None => as_veclit(arg1.get_ref(i))?,
+            };
+
+            if let (Some(arg0), Some(arg1)) = (arg0, arg1) {
+                ensure!(
+                    arg0.len() == arg1.len(),
+                    InvalidFuncArgsSnafu {
+                        err_msg: format!(
+                            "The length of the vectors must match for division, have: {} vs {}",
+                            arg0.len(),
+                            arg1.len()
+                        ),
+                    }
+                );
+                let vec0 = DVectorView::from_slice(&arg0, arg0.len());
+                let vec1 = DVectorView::from_slice(&arg1, arg1.len());
+                let vec_res = vec0.component_div(&vec1);
+
+                let veclit = vec_res.as_slice();
+                let binlit = veclit_to_binlit(veclit);
+                result.push(Some(&binlit));
+            } else {
+                result.push_null();
+            }
+        }
+
+        Ok(result.to_vector())
+    }
+}
+
+impl Display for VectorDivFunction {
+    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
+        write!(f, "{}", NAME.to_ascii_uppercase())
+    }
+}
+
+#[cfg(test)]
+mod tests {
+    use std::sync::Arc;
+
+    use common_query::error;
+    use datatypes::vectors::StringVector;
+
+    use super::*;
+
+    #[test]
+    fn test_vector_mul() {
+        let func = VectorDivFunction;
+
+        let vec0 = vec![1.0, 2.0, 3.0];
+        let vec1 = vec![1.0, 1.0];
+        let (len0, len1) = (vec0.len(), vec1.len());
+        let input0 = Arc::new(StringVector::from(vec![Some(format!("{vec0:?}"))]));
+        let input1 = Arc::new(StringVector::from(vec![Some(format!("{vec1:?}"))]));
+
+        let err = func
+            .eval(FunctionContext::default(), &[input0, input1])
+            .unwrap_err();
+
+        match err {
+            error::Error::InvalidFuncArgs { err_msg, .. } => {
+                assert_eq!(
+                    err_msg,
+                    format!(
+                        "The length of the vectors must match for division, have: {} vs {}",
+                        len0, len1
+                    )
+                )
+            }
+            _ => unreachable!(),
+        }
+
+        let input0 = Arc::new(StringVector::from(vec![
+            Some("[1.0,2.0,3.0]".to_string()),
+            Some("[8.0,10.0,12.0]".to_string()),
+            Some("[7.0,8.0,9.0]".to_string()),
+            None,
+        ]));
+
+        let input1 = Arc::new(StringVector::from(vec![
+            Some("[1.0,1.0,1.0]".to_string()),
+            Some("[2.0,2.0,2.0]".to_string()),
+            None,
+            Some("[3.0,3.0,3.0]".to_string()),
+        ]));
+
+        let result = func
+            .eval(FunctionContext::default(), &[input0, input1])
+            .unwrap();
+
+        let result = result.as_ref();
+        assert_eq!(result.len(), 4);
+        assert_eq!(
+            result.get_ref(0).as_binary().unwrap(),
+            Some(veclit_to_binlit(&[1.0, 2.0, 3.0]).as_slice())
+        );
+        assert_eq!(
+            result.get_ref(1).as_binary().unwrap(),
+            Some(veclit_to_binlit(&[4.0, 5.0, 6.0]).as_slice())
+        );
+        assert!(result.get_ref(2).is_null());
+        assert!(result.get_ref(3).is_null());
+
+        let input0 = Arc::new(StringVector::from(vec![Some("[1.0,-2.0]".to_string())]));
+        let input1 = Arc::new(StringVector::from(vec![Some("[0.0,0.0]".to_string())]));
+
+        let result = func
+            .eval(FunctionContext::default(), &[input0, input1])
+            .unwrap();
+
+        let result = result.as_ref();
+        assert_eq!(
+            result.get_ref(0).as_binary().unwrap(),
+            Some(veclit_to_binlit(&[f64::INFINITY as f32, f64::NEG_INFINITY as f32]).as_slice())
+        );
+    }
+}
--- a/src/common/function/src/scalars/vector/vector_mul.rs
+++ b/src/common/function/src/scalars/vector/vector_mul.rs
@@ -0,0 +1,205 @@
+// Copyright 2023 Greptime Team
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+use std::borrow::Cow;
+use std::fmt::Display;
+
+use common_query::error::{InvalidFuncArgsSnafu, Result};
+use common_query::prelude::Signature;
+use datatypes::prelude::ConcreteDataType;
+use datatypes::scalars::ScalarVectorBuilder;
+use datatypes::vectors::{BinaryVectorBuilder, MutableVector, VectorRef};
+use nalgebra::DVectorView;
+use snafu::ensure;
+
+use crate::function::{Function, FunctionContext};
+use crate::helper;
+use crate::scalars::vector::impl_conv::{as_veclit, as_veclit_if_const, veclit_to_binlit};
+
+const NAME: &str = "vec_mul";
+
+/// Multiplies corresponding elements of two vectors.
+///
+/// # Example
+///
+/// ```sql
+/// SELECT vec_to_string(vec_mul("[1, 2, 3]", "[1, 2, 3]")) as result;
+///
+/// +---------+
+/// | result  |
+/// +---------+
+/// | [1,4,9] |
+/// +---------+
+///
+/// ```
+#[derive(Debug, Clone, Default)]
+pub struct VectorMulFunction;
+
+impl Function for VectorMulFunction {
+    fn name(&self) -> &str {
+        NAME
+    }
+
+    fn return_type(&self, _input_types: &[ConcreteDataType]) -> Result<ConcreteDataType> {
+        Ok(ConcreteDataType::binary_datatype())
+    }
+
+    fn signature(&self) -> Signature {
+        helper::one_of_sigs2(
+            vec![
+                ConcreteDataType::string_datatype(),
+                ConcreteDataType::binary_datatype(),
+            ],
+            vec![
+                ConcreteDataType::string_datatype(),
+                ConcreteDataType::binary_datatype(),
+            ],
+        )
+    }
+
+    fn eval(&self, _func_ctx: FunctionContext, columns: &[VectorRef]) -> Result<VectorRef> {
+        ensure!(
+            columns.len() == 2,
+            InvalidFuncArgsSnafu {
+                err_msg: format!(
+                    "The length of the args is not correct, expect exactly two, have: {}",
+                    columns.len()
+                ),
+            }
+        );
+
+        let arg0 = &columns[0];
+        let arg1 = &columns[1];
+
+        let len = arg0.len();
+        let mut result = BinaryVectorBuilder::with_capacity(len);
+        if len == 0 {
+            return Ok(result.to_vector());
+        }
+
+        let arg0_const = as_veclit_if_const(arg0)?;
+        let arg1_const = as_veclit_if_const(arg1)?;
+
+        for i in 0..len {
+            let arg0 = match arg0_const.as_ref() {
+                Some(arg0) => Some(Cow::Borrowed(arg0.as_ref())),
+                None => as_veclit(arg0.get_ref(i))?,
+            };
+
+            let arg1 = match arg1_const.as_ref() {
+                Some(arg1) => Some(Cow::Borrowed(arg1.as_ref())),
+                None => as_veclit(arg1.get_ref(i))?,
+            };
+
+            if let (Some(arg0), Some(arg1)) = (arg0, arg1) {
+                ensure!(
+                    arg0.len() == arg1.len(),
+                    InvalidFuncArgsSnafu {
+                        err_msg: format!(
+                            "The length of the vectors must match for multiplying, have: {} vs {}",
+                            arg0.len(),
+                            arg1.len()
+                        ),
+                    }
+                );
+                let vec0 = DVectorView::from_slice(&arg0, arg0.len());
+                let vec1 = DVectorView::from_slice(&arg1, arg1.len());
+                let vec_res = vec1.component_mul(&vec0);
+
+                let veclit = vec_res.as_slice();
+                let binlit = veclit_to_binlit(veclit);
+                result.push(Some(&binlit));
+            } else {
+                result.push_null();
+            }
+        }
+
+        Ok(result.to_vector())
+    }
+}
+
+impl Display for VectorMulFunction {
+    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
+        write!(f, "{}", NAME.to_ascii_uppercase())
+    }
+}
+
+#[cfg(test)]
+mod tests {
+    use std::sync::Arc;
+
+    use common_query::error;
+    use datatypes::vectors::StringVector;
+
+    use super::*;
+
+    #[test]
+    fn test_vector_mul() {
+        let func = VectorMulFunction;
+
+        let vec0 = vec![1.0, 2.0, 3.0];
+        let vec1 = vec![1.0, 1.0];
+        let (len0, len1) = (vec0.len(), vec1.len());
+        let input0 = Arc::new(StringVector::from(vec![Some(format!("{vec0:?}"))]));
+        let input1 = Arc::new(StringVector::from(vec![Some(format!("{vec1:?}"))]));
+
+        let err = func
+            .eval(FunctionContext::default(), &[input0, input1])
+            .unwrap_err();
+
+        match err {
+            error::Error::InvalidFuncArgs { err_msg, .. } => {
+                assert_eq!(
+                    err_msg,
+                    format!(
+                        "The length of the vectors must match for multiplying, have: {} vs {}",
+                        len0, len1
+                    )
+                )
+            }
+            _ => unreachable!(),
+        }
+
+        let input0 = Arc::new(StringVector::from(vec![
+            Some("[1.0,2.0,3.0]".to_string()),
+            Some("[8.0,10.0,12.0]".to_string()),
+            Some("[7.0,8.0,9.0]".to_string()),
+            None,
+        ]));
+
+        let input1 = Arc::new(StringVector::from(vec![
+            Some("[1.0,1.0,1.0]".to_string()),
+            Some("[2.0,2.0,2.0]".to_string()),
+            None,
+            Some("[3.0,3.0,3.0]".to_string()),
+        ]));
+
+        let result = func
+            .eval(FunctionContext::default(), &[input0, input1])
+            .unwrap();
+
+        let result = result.as_ref();
+        assert_eq!(result.len(), 4);
+        assert_eq!(
+            result.get_ref(0).as_binary().unwrap(),
+            Some(veclit_to_binlit(&[1.0, 2.0, 3.0]).as_slice())
+        );
+        assert_eq!(
+            result.get_ref(1).as_binary().unwrap(),
+            Some(veclit_to_binlit(&[16.0, 20.0, 24.0]).as_slice())
+        );
+        assert!(result.get_ref(2).is_null());
+        assert!(result.get_ref(3).is_null());
+    }
+}
--- a/src/common/function/src/utils.rs
+++ b/src/common/function/src/utils.rs
@@ -0,0 +1,58 @@
+// Copyright 2023 Greptime Team
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+/// Escapes special characters in the provided pattern string for `LIKE`.
+///
+/// Specifically, it prefixes the backslash (`\`), percent (`%`), and underscore (`_`)
+/// characters with an additional backslash to ensure they are treated literally.
+///
+/// # Examples
+///
+/// ```rust
+/// let escaped = escape_pattern("100%_some\\path");
+/// assert_eq!(escaped, "100\\%\\_some\\\\path");
+/// ```
+pub fn escape_like_pattern(pattern: &str) -> String {
+    pattern
+        .chars()
+        .flat_map(|c| match c {
+            '\\' | '%' | '_' => vec!['\\', c],
+            _ => vec![c],
+        })
+        .collect::<String>()
+}
+#[cfg(test)]
+mod tests {
+    use super::*;
+
+    #[test]
+    fn test_escape_like_pattern() {
+        assert_eq!(
+            escape_like_pattern("100%_some\\path"),
+            "100\\%\\_some\\\\path"
+        );
+        assert_eq!(escape_like_pattern(""), "");
+        assert_eq!(escape_like_pattern("hello"), "hello");
+        assert_eq!(escape_like_pattern("\\%_"), "\\\\\\%\\_");
+        assert_eq!(escape_like_pattern("%%__\\\\"), "\\%\\%\\_\\_\\\\\\\\");
+        assert_eq!(escape_like_pattern("abc123"), "abc123");
+        assert_eq!(escape_like_pattern("%_\\"), "\\%\\_\\\\");
+        assert_eq!(
+            escape_like_pattern("%%__\\\\another%string"),
+            "\\%\\%\\_\\_\\\\\\\\another\\%string"
+        );
+        assert_eq!(escape_like_pattern("foo%bar_"), "foo\\%bar\\_");
+        assert_eq!(escape_like_pattern("\\_\\%"), "\\\\\\_\\\\\\%");
+    }
+}
--- a/src/common/meta/src/cache/container.rs
+++ b/src/common/meta/src/cache/container.rs
@@ -43,7 +43,7 @@ pub struct CacheContainer<K, V, CacheToken> {
    cache: Cache<K, V>,
    invalidator: Invalidator<K, V, CacheToken>,
    initializer: Initializer<K, V>,
-    token_filter: TokenFilter<CacheToken>,
+    token_filter: fn(&CacheToken) -> bool,
 }

 impl<K, V, CacheToken> CacheContainer<K, V, CacheToken>
@@ -58,7 +58,7 @@ where
        cache: Cache<K, V>,
        invalidator: Invalidator<K, V, CacheToken>,
        initializer: Initializer<K, V>,
-        token_filter: TokenFilter<CacheToken>,
+        token_filter: fn(&CacheToken) -> bool,
    ) -> Self {
        Self {
            name,
@@ -206,10 +206,13 @@ mod tests {
        name: &'a str,
    }

+    fn always_true_filter(_: &String) -> bool {
+        true
+    }
+
    #[tokio::test]
    async fn test_get() {
        let cache: Cache<NameKey, String> = CacheBuilder::new(128).build();
-        let filter: TokenFilter<String> = Box::new(|_| true);
        let counter = Arc::new(AtomicI32::new(0));
        let moved_counter = counter.clone();
        let init: Initializer<NameKey, String> = Arc::new(move |_| {
@@ -219,7 +222,13 @@ mod tests {
        let invalidator: Invalidator<NameKey, String, String> =
            Box::new(|_, _| Box::pin(async { Ok(()) }));

-        let adv_cache = CacheContainer::new("test".to_string(), cache, invalidator, init, filter);
+        let adv_cache = CacheContainer::new(
+            "test".to_string(),
+            cache,
+            invalidator,
+            init,
+            always_true_filter,
+        );
        let key = NameKey { name: "key" };
        let value = adv_cache.get(key).await.unwrap().unwrap();
        assert_eq!(value, "hi");
@@ -233,7 +242,6 @@ mod tests {
    #[tokio::test]
    async fn test_get_by_ref() {
        let cache: Cache<String, String> = CacheBuilder::new(128).build();
-        let filter: TokenFilter<String> = Box::new(|_| true);
        let counter = Arc::new(AtomicI32::new(0));
        let moved_counter = counter.clone();
        let init: Initializer<String, String> = Arc::new(move |_| {
@@ -243,7 +251,13 @@ mod tests {
        let invalidator: Invalidator<String, String, String> =
            Box::new(|_, _| Box::pin(async { Ok(()) }));

-        let adv_cache = CacheContainer::new("test".to_string(), cache, invalidator, init, filter);
+        let adv_cache = CacheContainer::new(
+            "test".to_string(),
+            cache,
+            invalidator,
+            init,
+            always_true_filter,
+        );
        let value = adv_cache.get_by_ref("foo").await.unwrap().unwrap();
        assert_eq!(value, "hi");
        let value = adv_cache.get_by_ref("foo").await.unwrap().unwrap();
@@ -257,13 +271,18 @@ mod tests {
    #[tokio::test]
    async fn test_get_value_not_exits() {
        let cache: Cache<String, String> = CacheBuilder::new(128).build();
-        let filter: TokenFilter<String> = Box::new(|_| true);
        let init: Initializer<String, String> =
            Arc::new(move |_| Box::pin(async { error::ValueNotExistSnafu {}.fail() }));
        let invalidator: Invalidator<String, String, String> =
            Box::new(|_, _| Box::pin(async { Ok(()) }));

-        let adv_cache = CacheContainer::new("test".to_string(), cache, invalidator, init, filter);
+        let adv_cache = CacheContainer::new(
+            "test".to_string(),
+            cache,
+            invalidator,
+            init,
+            always_true_filter,
+        );
        let value = adv_cache.get_by_ref("foo").await.unwrap();
        assert!(value.is_none());
    }
@@ -271,7 +290,6 @@ mod tests {
    #[tokio::test]
    async fn test_invalidate() {
        let cache: Cache<String, String> = CacheBuilder::new(128).build();
-        let filter: TokenFilter<String> = Box::new(|_| true);
        let counter = Arc::new(AtomicI32::new(0));
        let moved_counter = counter.clone();
        let init: Initializer<String, String> = Arc::new(move |_| {
@@ -285,7 +303,13 @@ mod tests {
            })
        });

-        let adv_cache = CacheContainer::new("test".to_string(), cache, invalidator, init, filter);
+        let adv_cache = CacheContainer::new(
+            "test".to_string(),
+            cache,
+            invalidator,
+            init,
+            always_true_filter,
+        );
        let value = adv_cache.get_by_ref("foo").await.unwrap().unwrap();
        assert_eq!(value, "hi");
        let value = adv_cache.get_by_ref("foo").await.unwrap().unwrap();
--- a/src/common/meta/src/cache/flow/table_flownode.rs
+++ b/src/common/meta/src/cache/flow/table_flownode.rs
@@ -45,7 +45,7 @@ pub fn new_table_flownode_set_cache(
    let table_flow_manager = Arc::new(TableFlowManager::new(kv_backend));
    let init = init_factory(table_flow_manager);

-    CacheContainer::new(name, cache, Box::new(invalidator), init, Box::new(filter))
+    CacheContainer::new(name, cache, Box::new(invalidator), init, filter)
 }

 fn init_factory(table_flow_manager: TableFlowManagerRef) -> Initializer<TableId, FlownodeSet> {
--- a/src/common/meta/src/cache/registry.rs
+++ b/src/common/meta/src/cache/registry.rs
@@ -151,12 +151,15 @@ mod tests {
    use crate::cache::*;
    use crate::instruction::CacheIdent;

+    fn always_true_filter(_: &CacheIdent) -> bool {
+        true
+    }
+
    fn test_cache(
        name: &str,
        invalidator: Invalidator<String, String, CacheIdent>,
    ) -> CacheContainer<String, String, CacheIdent> {
        let cache: Cache<String, String> = CacheBuilder::new(128).build();
-        let filter: TokenFilter<CacheIdent> = Box::new(|_| true);
        let counter = Arc::new(AtomicI32::new(0));
        let moved_counter = counter.clone();
        let init: Initializer<String, String> = Arc::new(move |_| {
@@ -164,7 +167,13 @@ mod tests {
            Box::pin(async { Ok(Some("hi".to_string())) })
        });

-        CacheContainer::new(name.to_string(), cache, invalidator, init, filter)
+        CacheContainer::new(
+            name.to_string(),
+            cache,
+            invalidator,
+            init,
+            always_true_filter,
+        )
    }

    fn test_i32_cache(
@@ -172,7 +181,6 @@ mod tests {
        invalidator: Invalidator<i32, String, CacheIdent>,
    ) -> CacheContainer<i32, String, CacheIdent> {
        let cache: Cache<i32, String> = CacheBuilder::new(128).build();
-        let filter: TokenFilter<CacheIdent> = Box::new(|_| true);
        let counter = Arc::new(AtomicI32::new(0));
        let moved_counter = counter.clone();
        let init: Initializer<i32, String> = Arc::new(move |_| {
@@ -180,7 +188,13 @@ mod tests {
            Box::pin(async { Ok(Some("foo".to_string())) })
        });

-        CacheContainer::new(name.to_string(), cache, invalidator, init, filter)
+        CacheContainer::new(
+            name.to_string(),
+            cache,
+            invalidator,
+            init,
+            always_true_filter,
+        )
    }

    #[tokio::test]
--- a/src/common/meta/src/cache/table/schema.rs
+++ b/src/common/meta/src/cache/table/schema.rs
@@ -36,7 +36,7 @@ pub fn new_schema_cache(
    let schema_manager = SchemaManager::new(kv_backend.clone());
    let init = init_factory(schema_manager);

-    CacheContainer::new(name, cache, Box::new(invalidator), init, Box::new(filter))
+    CacheContainer::new(name, cache, Box::new(invalidator), init, filter)
 }

 fn init_factory(schema_manager: SchemaManager) -> Initializer<SchemaName, Arc<SchemaNameValue>> {
--- a/src/common/meta/src/cache/table/table_info.rs
+++ b/src/common/meta/src/cache/table/table_info.rs
@@ -41,7 +41,7 @@ pub fn new_table_info_cache(
    let table_info_manager = Arc::new(TableInfoManager::new(kv_backend));
    let init = init_factory(table_info_manager);

-    CacheContainer::new(name, cache, Box::new(invalidator), init, Box::new(filter))
+    CacheContainer::new(name, cache, Box::new(invalidator), init, filter)
 }

 fn init_factory(table_info_manager: TableInfoManagerRef) -> Initializer<TableId, Arc<TableInfo>> {
--- a/src/common/meta/src/cache/table/table_name.rs
+++ b/src/common/meta/src/cache/table/table_name.rs
@@ -41,7 +41,7 @@ pub fn new_table_name_cache(
    let table_name_manager = Arc::new(TableNameManager::new(kv_backend));
    let init = init_factory(table_name_manager);

-    CacheContainer::new(name, cache, Box::new(invalidator), init, Box::new(filter))
+    CacheContainer::new(name, cache, Box::new(invalidator), init, filter)
 }

 fn init_factory(table_name_manager: TableNameManagerRef) -> Initializer<TableName, TableId> {
--- a/src/common/meta/src/cache/table/table_route.rs
+++ b/src/common/meta/src/cache/table/table_route.rs
@@ -65,7 +65,7 @@ pub fn new_table_route_cache(
    let table_info_manager = Arc::new(TableRouteManager::new(kv_backend));
    let init = init_factory(table_info_manager);

-    CacheContainer::new(name, cache, Box::new(invalidator), init, Box::new(filter))
+    CacheContainer::new(name, cache, Box::new(invalidator), init, filter)
 }

 fn init_factory(
--- a/src/common/meta/src/cache/table/table_schema.rs
+++ b/src/common/meta/src/cache/table/table_schema.rs
@@ -40,7 +40,7 @@ pub fn new_table_schema_cache(
    let table_info_manager = TableInfoManager::new(kv_backend);
    let init = init_factory(table_info_manager);

-    CacheContainer::new(name, cache, Box::new(invalidator), init, Box::new(filter))
+    CacheContainer::new(name, cache, Box::new(invalidator), init, filter)
 }

 fn init_factory(table_info_manager: TableInfoManager) -> Initializer<TableId, Arc<SchemaName>> {
--- a/src/common/meta/src/cache/table/view_info.rs
+++ b/src/common/meta/src/cache/table/view_info.rs
@@ -40,7 +40,7 @@ pub fn new_view_info_cache(
    let view_info_manager = Arc::new(ViewInfoManager::new(kv_backend));
    let init = init_factory(view_info_manager);

-    CacheContainer::new(name, cache, Box::new(invalidator), init, Box::new(filter))
+    CacheContainer::new(name, cache, Box::new(invalidator), init, filter)
 }

 fn init_factory(view_info_manager: ViewInfoManagerRef) -> Initializer<TableId, Arc<ViewInfoValue>> {
--- a/src/common/meta/src/key.rs
+++ b/src/common/meta/src/key.rs
@@ -137,6 +137,7 @@ use self::schema_name::{SchemaManager, SchemaNameKey, SchemaNameValue};
 use self::table_route::{TableRouteManager, TableRouteValue};
 use self::tombstone::TombstoneManager;
 use crate::error::{self, Result, SerdeJsonSnafu};
+use crate::key::flow::flow_state::FlowStateValue;
 use crate::key::node_address::NodeAddressValue;
 use crate::key::table_route::TableRouteKey;
 use crate::key::txn_helper::TxnOpGetResponseSet;
@@ -1262,7 +1263,8 @@ impl_metadata_value! {
    FlowRouteValue,
    TableFlowValue,
    NodeAddressValue,
-    SchemaNameValue
+    SchemaNameValue,
+    FlowStateValue
 }

 impl_optional_metadata_value! {
--- a/src/common/meta/src/key/catalog_name.rs
+++ b/src/common/meta/src/key/catalog_name.rs
@@ -13,7 +13,6 @@
 // limitations under the License.

 use std::fmt::Display;
-use std::sync::Arc;

 use common_catalog::consts::DEFAULT_CATALOG_NAME;
 use futures::stream::BoxStream;
@@ -146,7 +145,7 @@ impl CatalogManager {
            self.kv_backend.clone(),
            req,
            DEFAULT_PAGE_SIZE,
-            Arc::new(catalog_decoder),
+            catalog_decoder,
        )
        .into_stream();

@@ -156,6 +155,8 @@ impl CatalogManager {

 #[cfg(test)]
 mod tests {
+    use std::sync::Arc;
+
    use super::*;
    use crate::kv_backend::memory::MemoryKvBackend;

--- a/src/common/meta/src/key/datanode_table.rs
+++ b/src/common/meta/src/key/datanode_table.rs
@@ -14,7 +14,6 @@

 use std::collections::HashMap;
 use std::fmt::Display;
-use std::sync::Arc;

 use futures::stream::BoxStream;
 use serde::{Deserialize, Serialize};
@@ -166,7 +165,7 @@ impl DatanodeTableManager {
            self.kv_backend.clone(),
            req,
            DEFAULT_PAGE_SIZE,
-            Arc::new(datanode_table_value_decoder),
+            datanode_table_value_decoder,
        )
        .into_stream();

--- a/src/common/meta/src/key/flow.rs
+++ b/src/common/meta/src/key/flow.rs
@@ -15,6 +15,7 @@
 pub mod flow_info;
 pub(crate) mod flow_name;
 pub(crate) mod flow_route;
+pub mod flow_state;
 pub(crate) mod flownode_flow;
 pub(crate) mod table_flow;

@@ -35,6 +36,7 @@ use crate::ensure_values;
 use crate::error::{self, Result};
 use crate::key::flow::flow_info::FlowInfoManager;
 use crate::key::flow::flow_name::FlowNameManager;
+use crate::key::flow::flow_state::FlowStateManager;
 use crate::key::flow::flownode_flow::FlownodeFlowManager;
 pub use crate::key::flow::table_flow::{TableFlowManager, TableFlowManagerRef};
 use crate::key::txn_helper::TxnOpGetResponseSet;
@@ -102,6 +104,8 @@ pub struct FlowMetadataManager {
    flownode_flow_manager: FlownodeFlowManager,
    table_flow_manager: TableFlowManager,
    flow_name_manager: FlowNameManager,
+    /// only metasrv have access to itself's memory backend, so for other case it should be None
+    flow_state_manager: Option<FlowStateManager>,
    kv_backend: KvBackendRef,
 }

@@ -114,6 +118,7 @@ impl FlowMetadataManager {
            flow_name_manager: FlowNameManager::new(kv_backend.clone()),
            flownode_flow_manager: FlownodeFlowManager::new(kv_backend.clone()),
            table_flow_manager: TableFlowManager::new(kv_backend.clone()),
+            flow_state_manager: None,
            kv_backend,
        }
    }
@@ -123,6 +128,10 @@ impl FlowMetadataManager {
        &self.flow_name_manager
    }

+    pub fn flow_state_manager(&self) -> Option<&FlowStateManager> {
+        self.flow_state_manager.as_ref()
+    }
+
    /// Returns the [`FlowInfoManager`].
    pub fn flow_info_manager(&self) -> &FlowInfoManager {
        &self.flow_info_manager
--- a/src/common/meta/src/key/flow/flow_name.rs
+++ b/src/common/meta/src/key/flow/flow_name.rs
@@ -12,8 +12,6 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.

-use std::sync::Arc;
-
 use futures::stream::BoxStream;
 use lazy_static::lazy_static;
 use regex::Regex;
@@ -201,7 +199,7 @@ impl FlowNameManager {
            self.kv_backend.clone(),
            req,
            DEFAULT_PAGE_SIZE,
-            Arc::new(flow_name_decoder),
+            flow_name_decoder,
        )
        .into_stream();

--- a/src/common/meta/src/key/flow/flow_route.rs
+++ b/src/common/meta/src/key/flow/flow_route.rs
@@ -12,8 +12,6 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.

-use std::sync::Arc;
-
 use futures::stream::BoxStream;
 use lazy_static::lazy_static;
 use regex::Regex;
@@ -179,7 +177,7 @@ impl FlowRouteManager {
            self.kv_backend.clone(),
            req,
            DEFAULT_PAGE_SIZE,
-            Arc::new(flow_route_decoder),
+            flow_route_decoder,
        )
        .into_stream();

--- a/src/common/meta/src/key/flow/flow_state.rs
+++ b/src/common/meta/src/key/flow/flow_state.rs
@@ -0,0 +1,162 @@
+// Copyright 2023 Greptime Team
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+use std::collections::BTreeMap;
+use std::sync::Arc;
+
+use serde::{Deserialize, Serialize};
+
+use crate::error::{self, Result};
+use crate::key::flow::FlowScoped;
+use crate::key::{FlowId, MetadataKey, MetadataValue};
+use crate::kv_backend::KvBackendRef;
+use crate::rpc::store::PutRequest;
+
+/// The entire FlowId to Flow Size's Map is stored directly in the value part of the key.
+const FLOW_STATE_KEY: &str = "state";
+
+/// The key of flow state.
+#[derive(Debug, Clone, Copy, PartialEq)]
+struct FlowStateKeyInner;
+
+impl FlowStateKeyInner {
+    pub fn new() -> Self {
+        Self
+    }
+}
+
+impl<'a> MetadataKey<'a, FlowStateKeyInner> for FlowStateKeyInner {
+    fn to_bytes(&self) -> Vec<u8> {
+        FLOW_STATE_KEY.as_bytes().to_vec()
+    }
+
+    fn from_bytes(bytes: &'a [u8]) -> Result<FlowStateKeyInner> {
+        let key = std::str::from_utf8(bytes).map_err(|e| {
+            error::InvalidMetadataSnafu {
+                err_msg: format!(
+                    "FlowInfoKeyInner '{}' is not a valid UTF8 string: {e}",
+                    String::from_utf8_lossy(bytes)
+                ),
+            }
+            .build()
+        })?;
+        if key != FLOW_STATE_KEY {
+            return Err(error::InvalidMetadataSnafu {
+                err_msg: format!("Invalid FlowStateKeyInner '{key}'"),
+            }
+            .build());
+        }
+        Ok(FlowStateKeyInner::new())
+    }
+}
+
+/// The key stores the state size of the flow.
+///
+/// The layout: `__flow/state`.
+pub struct FlowStateKey(FlowScoped<FlowStateKeyInner>);
+
+impl FlowStateKey {
+    /// Returns the [FlowStateKey].
+    pub fn new() -> FlowStateKey {
+        let inner = FlowStateKeyInner::new();
+        FlowStateKey(FlowScoped::new(inner))
+    }
+}
+
+impl Default for FlowStateKey {
+    fn default() -> Self {
+        Self::new()
+    }
+}
+
+impl<'a> MetadataKey<'a, FlowStateKey> for FlowStateKey {
+    fn to_bytes(&self) -> Vec<u8> {
+        self.0.to_bytes()
+    }
+
+    fn from_bytes(bytes: &'a [u8]) -> Result<FlowStateKey> {
+        Ok(FlowStateKey(FlowScoped::<FlowStateKeyInner>::from_bytes(
+            bytes,
+        )?))
+    }
+}
+
+/// The value of flow state size
+#[derive(Debug, Clone, Serialize, Deserialize, PartialEq)]
+pub struct FlowStateValue {
+    /// For each key, the bytes of the state in memory
+    pub state_size: BTreeMap<FlowId, usize>,
+}
+
+impl FlowStateValue {
+    pub fn new(state_size: BTreeMap<FlowId, usize>) -> Self {
+        Self { state_size }
+    }
+}
+
+pub type FlowStateManagerRef = Arc<FlowStateManager>;
+
+/// The manager of [FlowStateKey]. Since state size changes frequently, we store it in memory.
+///
+/// This is only used in distributed mode. When meta-srv use heartbeat to update the flow stat report
+/// and frontned use get to get the latest flow stat report.
+pub struct FlowStateManager {
+    in_memory: KvBackendRef,
+}
+
+impl FlowStateManager {
+    pub fn new(in_memory: KvBackendRef) -> Self {
+        Self { in_memory }
+    }
+
+    pub async fn get(&self) -> Result<Option<FlowStateValue>> {
+        let key = FlowStateKey::new().to_bytes();
+        self.in_memory
+            .get(&key)
+            .await?
+            .map(|x| FlowStateValue::try_from_raw_value(&x.value))
+            .transpose()
+    }
+
+    pub async fn put(&self, value: FlowStateValue) -> Result<()> {
+        let key = FlowStateKey::new().to_bytes();
+        let value = value.try_as_raw_value()?;
+        let req = PutRequest::new().with_key(key).with_value(value);
+        self.in_memory.put(req).await?;
+        Ok(())
+    }
+}
+
+/// Flow's state report, send regularly through heartbeat message
+#[derive(Debug, Clone)]
+pub struct FlowStat {
+    /// For each key, the bytes of the state in memory
+    pub state_size: BTreeMap<u32, usize>,
+}
+
+impl From<FlowStateValue> for FlowStat {
+    fn from(value: FlowStateValue) -> Self {
+        Self {
+            state_size: value.state_size,
+        }
+    }
+}
+
+impl From<FlowStat> for FlowStateValue {
+    fn from(value: FlowStat) -> Self {
+        Self {
+            state_size: value.state_size,
+        }
+    }
+}
--- a/src/common/meta/src/key/flow/flownode_flow.rs
+++ b/src/common/meta/src/key/flow/flownode_flow.rs
@@ -12,8 +12,6 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.

-use std::sync::Arc;
-
 use futures::stream::BoxStream;
 use futures::TryStreamExt;
 use lazy_static::lazy_static;
@@ -179,7 +177,7 @@ impl FlownodeFlowManager {
            self.kv_backend.clone(),
            req,
            DEFAULT_PAGE_SIZE,
-            Arc::new(flownode_flow_key_decoder),
+            flownode_flow_key_decoder,
        )
        .into_stream();

--- a/src/common/meta/src/key/flow/table_flow.rs
+++ b/src/common/meta/src/key/flow/table_flow.rs
@@ -206,7 +206,7 @@ impl TableFlowManager {
            self.kv_backend.clone(),
            req,
            DEFAULT_PAGE_SIZE,
-            Arc::new(table_flow_decoder),
+            table_flow_decoder,
        )
        .into_stream();

--- a/src/common/meta/src/key/schema_metadata_manager.rs
+++ b/src/common/meta/src/key/schema_metadata_manager.rs
@@ -28,13 +28,10 @@ pub type SchemaMetadataManagerRef = Arc<SchemaMetadataManager>;
 pub struct SchemaMetadataManager {
    table_id_schema_cache: TableSchemaCacheRef,
    schema_cache: SchemaCacheRef,
-    #[cfg(any(test, feature = "testing"))]
-    kv_backend: crate::kv_backend::KvBackendRef,
 }

 impl SchemaMetadataManager {
    /// Creates a new database meta
-    #[cfg(not(any(test, feature = "testing")))]
    pub fn new(table_id_schema_cache: TableSchemaCacheRef, schema_cache: SchemaCacheRef) -> Self {
        Self {
            table_id_schema_cache,
@@ -42,20 +39,6 @@ impl SchemaMetadataManager {
        }
    }

-    /// Creates a new database meta
-    #[cfg(any(test, feature = "testing"))]
-    pub fn new(
-        kv_backend: crate::kv_backend::KvBackendRef,
-        table_id_schema_cache: TableSchemaCacheRef,
-        schema_cache: SchemaCacheRef,
-    ) -> Self {
-        Self {
-            table_id_schema_cache,
-            schema_cache,
-            kv_backend,
-        }
-    }
-
    /// Gets schema options by table id.
    pub async fn get_schema_options_by_table_id(
        &self,
@@ -80,6 +63,7 @@ impl SchemaMetadataManager {
        schema_name: &str,
        catalog_name: &str,
        schema_value: Option<crate::key::schema_name::SchemaNameValue>,
+        kv_backend: crate::kv_backend::KvBackendRef,
    ) {
        use table::metadata::{RawTableInfo, TableType};
        let value = crate::key::table_info::TableInfoValue::new(RawTableInfo {
@@ -91,19 +75,18 @@ impl SchemaMetadataManager {
            meta: Default::default(),
            table_type: TableType::Base,
        });
-        let table_info_manager =
-            crate::key::table_info::TableInfoManager::new(self.kv_backend.clone());
+        let table_info_manager = crate::key::table_info::TableInfoManager::new(kv_backend.clone());
        let (txn, _) = table_info_manager
            .build_create_txn(table_id, &value)
            .unwrap();
-        let resp = self.kv_backend.txn(txn).await.unwrap();
+        let resp = kv_backend.txn(txn).await.unwrap();
        assert!(resp.succeeded, "Failed to create table metadata");
        let key = crate::key::schema_name::SchemaNameKey {
            catalog: catalog_name,
            schema: schema_name,
        };

-        crate::key::schema_name::SchemaManager::new(self.kv_backend.clone())
+        crate::key::schema_name::SchemaManager::new(kv_backend.clone())
            .create(key, schema_value, false)
            .await
            .expect("Failed to create schema metadata");
--- a/src/common/meta/src/key/schema_name.rs
+++ b/src/common/meta/src/key/schema_name.rs
@@ -14,7 +14,6 @@

 use std::collections::HashMap;
 use std::fmt::Display;
-use std::sync::Arc;

 use common_catalog::consts::{DEFAULT_CATALOG_NAME, DEFAULT_SCHEMA_NAME};
 use common_time::DatabaseTimeToLive;
@@ -30,6 +29,7 @@ use crate::error::{self, Error, InvalidMetadataSnafu, ParseOptionSnafu, Result};
 use crate::key::{MetadataKey, SCHEMA_NAME_KEY_PATTERN, SCHEMA_NAME_KEY_PREFIX};
 use crate::kv_backend::txn::Txn;
 use crate::kv_backend::KvBackendRef;
+use crate::metrics::METRIC_META_SCHEMA_INFO_GET;
 use crate::range_stream::{PaginationStream, DEFAULT_PAGE_SIZE};
 use crate::rpc::store::RangeRequest;
 use crate::rpc::KeyValue;
@@ -210,6 +210,8 @@ impl SchemaManager {
        &self,
        schema: SchemaNameKey<'_>,
    ) -> Result<Option<DeserializedValueWithBytes<SchemaNameValue>>> {
+        let _timer = METRIC_META_SCHEMA_INFO_GET.start_timer();
+
        let raw_key = schema.to_bytes();
        self.kv_backend
            .get(&raw_key)
@@ -283,7 +285,7 @@ impl SchemaManager {
            self.kv_backend.clone(),
            req,
            DEFAULT_PAGE_SIZE,
-            Arc::new(schema_decoder),
+            schema_decoder,
        )
        .into_stream();

@@ -308,6 +310,7 @@ impl<'a> From<&'a SchemaName> for SchemaNameKey<'a> {

 #[cfg(test)]
 mod tests {
+    use std::sync::Arc;
    use std::time::Duration;

    use super::*;
--- a/src/common/meta/src/key/table_info.rs
+++ b/src/common/meta/src/key/table_info.rs
@@ -29,6 +29,7 @@ use crate::key::txn_helper::TxnOpGetResponseSet;
 use crate::key::{DeserializedValueWithBytes, MetadataKey, MetadataValue, TABLE_INFO_KEY_PREFIX};
 use crate::kv_backend::txn::Txn;
 use crate::kv_backend::KvBackendRef;
+use crate::metrics::METRIC_META_TABLE_INFO_GET;
 use crate::rpc::store::BatchGetRequest;

 /// The key stores the metadata of the table.
@@ -194,6 +195,8 @@ impl TableInfoManager {
        &self,
        table_id: TableId,
    ) -> Result<Option<DeserializedValueWithBytes<TableInfoValue>>> {
+        let _timer = METRIC_META_TABLE_INFO_GET.start_timer();
+
        let key = TableInfoKey::new(table_id);
        let raw_key = key.to_bytes();
        self.kv_backend
--- a/src/common/meta/src/key/table_name.rs
+++ b/src/common/meta/src/key/table_name.rs
@@ -269,7 +269,7 @@ impl TableNameManager {
            self.kv_backend.clone(),
            req,
            DEFAULT_PAGE_SIZE,
-            Arc::new(table_decoder),
+            table_decoder,
        )
        .into_stream();

--- a/src/common/meta/src/kv_backend.rs
+++ b/src/common/meta/src/kv_backend.rs
@@ -36,7 +36,7 @@ pub mod postgres;
 pub mod test;
 pub mod txn;

-pub type KvBackendRef = Arc<dyn KvBackend<Error = Error> + Send + Sync>;
+pub type KvBackendRef<E = Error> = Arc<dyn KvBackend<Error = E> + Send + Sync>;

 #[async_trait]
 pub trait KvBackend: TxnService
@@ -161,6 +161,9 @@ where
    Self::Error: ErrorExt,
 {
    fn reset(&self);
+
+    /// Upcast as `KvBackendRef`. Since https://github.com/rust-lang/rust/issues/65991 is not yet stable.
+    fn as_kv_backend_ref(self: Arc<Self>) -> KvBackendRef<Self::Error>;
 }

-pub type ResettableKvBackendRef = Arc<dyn ResettableKvBackend<Error = Error> + Send + Sync>;
+pub type ResettableKvBackendRef<E = Error> = Arc<dyn ResettableKvBackend<Error = E> + Send + Sync>;
--- a/src/common/meta/src/kv_backend/memory.rs
+++ b/src/common/meta/src/kv_backend/memory.rs
@@ -16,13 +16,13 @@ use std::any::Any;
 use std::collections::BTreeMap;
 use std::fmt::{Display, Formatter};
 use std::marker::PhantomData;
-use std::sync::RwLock;
+use std::sync::{Arc, RwLock};

 use async_trait::async_trait;
 use common_error::ext::ErrorExt;
 use serde::Serializer;

-use super::ResettableKvBackend;
+use super::{KvBackendRef, ResettableKvBackend};
 use crate::kv_backend::txn::{Txn, TxnOp, TxnOpResponse, TxnRequest, TxnResponse};
 use crate::kv_backend::{KvBackend, TxnService};
 use crate::metrics::METRIC_META_TXN_REQUEST;
@@ -311,6 +311,10 @@ impl<T: ErrorExt + Send + Sync + 'static> ResettableKvBackend for MemoryKvBacken
    fn reset(&self) {
        self.clear();
    }
+
+    fn as_kv_backend_ref(self: Arc<Self>) -> KvBackendRef<T> {
+        self
+    }
 }

 #[cfg(test)]
--- a/src/common/meta/src/kv_backend/postgres.rs
+++ b/src/common/meta/src/kv_backend/postgres.rs
@@ -16,6 +16,7 @@ use std::any::Any;
 use std::borrow::Cow;
 use std::sync::Arc;

+use common_telemetry::error;
 use snafu::ResultExt;
 use tokio_postgres::types::ToSql;
 use tokio_postgres::{Client, NoTls};
@@ -97,7 +98,11 @@ impl PgStore {
        let (client, conn) = tokio_postgres::connect(url, NoTls)
            .await
            .context(ConnectPostgresSnafu)?;
-        tokio::spawn(async move { conn.await.context(ConnectPostgresSnafu) });
+        tokio::spawn(async move {
+            if let Err(e) = conn.await {
+                error!(e; "connection error");
+            }
+        });
        Self::with_pg_client(client).await
    }

--- a/src/common/meta/src/metrics.rs
+++ b/src/common/meta/src/metrics.rs
@@ -108,4 +108,9 @@ lazy_static! {
        &["name"]
    )
    .unwrap();
+
+    pub static ref METRIC_META_TABLE_INFO_GET: Histogram =
+        register_histogram!("greptime_meta_table_info_get", "get table info from kvbackend").unwrap();
+    pub static ref METRIC_META_SCHEMA_INFO_GET: Histogram =
+        register_histogram!("greptime_meta_schema_info_get", "get schema info from kvbackend").unwrap();
 }
--- a/src/common/meta/src/range_stream.rs
+++ b/src/common/meta/src/range_stream.rs
@@ -12,8 +12,6 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.

-use std::sync::Arc;
-
 use async_stream::try_stream;
 use common_telemetry::debug;
 use futures::Stream;
@@ -148,7 +146,7 @@ impl PaginationStreamFactory {
 }

 pub struct PaginationStream<T> {
-    decoder_fn: Arc<KeyValueDecoderFn<T>>,
+    decoder_fn: fn(KeyValue) -> Result<T>,
    factory: PaginationStreamFactory,
 }

@@ -158,7 +156,7 @@ impl<T> PaginationStream<T> {
        kv: KvBackendRef,
        req: RangeRequest,
        page_size: usize,
-        decoder_fn: Arc<KeyValueDecoderFn<T>>,
+        decoder_fn: fn(KeyValue) -> Result<T>,
    ) -> Self {
        Self {
            decoder_fn,
@@ -191,6 +189,7 @@ mod tests {

    use std::assert_matches::assert_matches;
    use std::collections::BTreeMap;
+    use std::sync::Arc;

    use futures::TryStreamExt;

@@ -250,7 +249,7 @@ mod tests {
                ..Default::default()
            },
            DEFAULT_PAGE_SIZE,
-            Arc::new(decoder),
+            decoder,
        )
        .into_stream();
        let kv = stream.try_collect::<Vec<_>>().await.unwrap();
@@ -290,7 +289,7 @@ mod tests {
                ..Default::default()
            },
            2,
-            Arc::new(decoder),
+            decoder,
        );
        let kv = stream
            .into_stream()
--- a/src/common/meta/src/state_store.rs
+++ b/src/common/meta/src/state_store.rs
@@ -12,8 +12,6 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.

-use std::sync::Arc;
-
 use async_trait::async_trait;
 use common_error::ext::BoxedError;
 use common_procedure::error::{DeleteStatesSnafu, ListStateSnafu, PutStateSnafu};
@@ -171,7 +169,7 @@ impl StateStore for KvStateStore {
            self.kv_backend.clone(),
            req,
            self.max_num_per_range_request.unwrap_or_default(),
-            Arc::new(decode_kv),
+            decode_kv,
        )
        .into_stream();

--- a/src/common/runtime/Cargo.toml
+++ b/src/common/runtime/Cargo.toml
@@ -39,3 +39,7 @@ tokio-util.workspace = true

 [dev-dependencies]
 tokio-test = "0.4"
+
+[target.'cfg(tokio_unstable)'.dependencies]
+tokio-metrics = { version = "0.3" }
+tokio-metrics-collector = { version = "0.2" }
--- a/src/datanode/src/datanode.rs
+++ b/src/datanode/src/datanode.rs
@@ -224,7 +224,6 @@ impl DatanodeBuilder {
            cache_registry.get().context(MissingCacheSnafu)?;

        let schema_metadata_manager = Arc::new(SchemaMetadataManager::new(
-            kv_backend.clone(),
            table_id_schema_cache,
            schema_cache,
        ));
--- a/src/datanode/src/store.rs
+++ b/src/datanode/src/store.rs
@@ -28,7 +28,7 @@ use common_telemetry::{info, warn};
 use object_store::layers::{LruCacheLayer, RetryInterceptor, RetryLayer};
 use object_store::services::Fs;
 use object_store::util::{join_dir, normalize_dir, with_instrument_layers};
-use object_store::{Access, Error, HttpClient, ObjectStore, ObjectStoreBuilder, OBJECT_CACHE_DIR};
+use object_store::{Access, Error, HttpClient, ObjectStore, ObjectStoreBuilder};
 use snafu::prelude::*;

 use crate::config::{HttpClientConfig, ObjectStoreConfig, DEFAULT_OBJECT_STORE_CACHE_SIZE};
@@ -147,12 +147,10 @@ async fn build_cache_layer(
    };

    // Enable object cache by default
-    // Set the cache_path to be `${data_home}/object_cache/read/{name}` by default
+    // Set the cache_path to be `${data_home}` by default
    // if it's not present
    if cache_path.is_none() {
-        let object_cache_path = join_dir(data_home, OBJECT_CACHE_DIR);
-        let read_cache_path = join_dir(&object_cache_path, "read");
-        let read_cache_path = join_dir(&read_cache_path, &name.to_lowercase());
+        let read_cache_path = data_home.to_string();
        tokio::fs::create_dir_all(Path::new(&read_cache_path))
            .await
            .context(CreateDirSnafu {
--- a/src/datatypes/src/schema.rs
+++ b/src/datatypes/src/schema.rs
@@ -29,7 +29,7 @@ use crate::error::{self, DuplicateColumnSnafu, Error, ProjectArrowSchemaSnafu, R
 use crate::prelude::ConcreteDataType;
 pub use crate::schema::column_schema::{
    ColumnSchema, FulltextAnalyzer, FulltextOptions, Metadata, SkippingIndexOptions,
-    COLUMN_FULLTEXT_CHANGE_OPT_KEY_ENABLE, COLUMN_FULLTEXT_OPT_KEY_ANALYZER,
+    SkippingIndexType, COLUMN_FULLTEXT_CHANGE_OPT_KEY_ENABLE, COLUMN_FULLTEXT_OPT_KEY_ANALYZER,
    COLUMN_FULLTEXT_OPT_KEY_CASE_SENSITIVE, COLUMN_SKIPPING_INDEX_OPT_KEY_GRANULARITY,
    COLUMN_SKIPPING_INDEX_OPT_KEY_TYPE, COMMENT_KEY, FULLTEXT_KEY, INVERTED_INDEX_KEY,
    SKIPPING_INDEX_KEY, TIME_INDEX_KEY,
--- a/src/datatypes/src/schema/column_schema.rs
+++ b/src/datatypes/src/schema/column_schema.rs
@@ -543,7 +543,7 @@ pub struct SkippingIndexOptions {
    pub granularity: u32,
    /// The type of the skip index.
    #[serde(default)]
-    pub index_type: SkipIndexType,
+    pub index_type: SkippingIndexType,
 }

 impl fmt::Display for SkippingIndexOptions {
@@ -556,15 +556,15 @@ impl fmt::Display for SkippingIndexOptions {

 /// Skip index types.
 #[derive(Debug, Default, Clone, PartialEq, Eq, Serialize, Deserialize, Visit, VisitMut)]
-pub enum SkipIndexType {
+pub enum SkippingIndexType {
    #[default]
    BloomFilter,
 }

-impl fmt::Display for SkipIndexType {
+impl fmt::Display for SkippingIndexType {
    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
        match self {
-            SkipIndexType::BloomFilter => write!(f, "BLOOM"),
+            SkippingIndexType::BloomFilter => write!(f, "BLOOM"),
        }
    }
 }
@@ -587,7 +587,7 @@ impl TryFrom<HashMap<String, String>> for SkippingIndexOptions {
        // Parse index type with default value BloomFilter
        let index_type = match options.get(COLUMN_SKIPPING_INDEX_OPT_KEY_TYPE) {
            Some(typ) => match typ.to_ascii_uppercase().as_str() {
-                "BLOOM" => SkipIndexType::BloomFilter,
+                "BLOOM" => SkippingIndexType::BloomFilter,
                _ => {
                    return error::InvalidSkippingIndexOptionSnafu {
                        msg: format!("Invalid index type: {typ}, expected: 'BLOOM'"),
@@ -595,7 +595,7 @@ impl TryFrom<HashMap<String, String>> for SkippingIndexOptions {
                    .fail();
                }
            },
-            None => SkipIndexType::default(),
+            None => SkippingIndexType::default(),
        };

        Ok(SkippingIndexOptions {
--- a/src/flow/Cargo.toml
+++ b/src/flow/Cargo.toml
@@ -40,9 +40,12 @@ datatypes.workspace = true
 enum-as-inner = "0.6.0"
 enum_dispatch = "0.3"
 futures = "0.3"
+get-size-derive2 = "0.1.2"
+get-size2 = "0.1.2"
 greptime-proto.workspace = true
 # This fork of hydroflow is simply for keeping our dependency in our org, and pin the version
 # otherwise it is the same with upstream repo
+http.workspace = true
 hydroflow = { git = "https://github.com/GreptimeTeam/hydroflow.git", branch = "main" }
 itertools.workspace = true
 lazy_static.workspace = true
--- a/src/flow/src/adapter.rs
+++ b/src/flow/src/adapter.rs
@@ -30,7 +30,7 @@ use common_telemetry::{debug, info, trace};
 use datatypes::schema::ColumnSchema;
 use datatypes::value::Value;
 use greptime_proto::v1;
-use itertools::Itertools;
+use itertools::{EitherOrBoth, Itertools};
 use meta_client::MetaClientOptions;
 use query::QueryEngine;
 use serde::{Deserialize, Serialize};
@@ -46,20 +46,23 @@ use tokio::sync::{broadcast, watch, Mutex, RwLock};

 pub(crate) use crate::adapter::node_context::FlownodeContext;
 use crate::adapter::table_source::TableSource;
-use crate::adapter::util::column_schemas_to_proto;
+use crate::adapter::util::{
+    relation_desc_to_column_schemas_with_fallback, table_info_value_to_relation_desc,
+};
 use crate::adapter::worker::{create_worker, Worker, WorkerHandle};
 use crate::compute::ErrCollector;
 use crate::df_optimizer::sql_to_flow_plan;
 use crate::error::{
-    EvalSnafu, ExternalSnafu, FlowAlreadyExistSnafu, InternalSnafu, TableNotFoundSnafu,
+    EvalSnafu, ExternalSnafu, FlowAlreadyExistSnafu, InternalSnafu, InvalidQuerySnafu,
    UnexpectedSnafu,
 };
-use crate::expr::{Batch, GlobalId};
-use crate::metrics::{METRIC_FLOW_INSERT_ELAPSED, METRIC_FLOW_RUN_INTERVAL_MS};
-use crate::repr::{self, DiffRow, Row, BATCH_SIZE};
+use crate::expr::Batch;
+use crate::metrics::{METRIC_FLOW_INSERT_ELAPSED, METRIC_FLOW_ROWS, METRIC_FLOW_RUN_INTERVAL_MS};
+use crate::repr::{self, DiffRow, RelationDesc, Row, BATCH_SIZE};

 mod flownode_impl;
 mod parse_expr;
+mod stat;
 #[cfg(test)]
 mod tests;
 mod util;
@@ -69,6 +72,7 @@ pub(crate) mod node_context;
 mod table_source;

 use crate::error::Error;
+use crate::utils::StateReportHandler;
 use crate::FrontendInvoker;

 // `GREPTIME_TIMESTAMP` is not used to distinguish when table is created automatically by flow
@@ -137,6 +141,8 @@ pub struct FlowWorkerManager {
    ///
    /// So that a series of event like `inserts -> flush` can be handled correctly
    flush_lock: RwLock<()>,
+    /// receive a oneshot sender to send state size report
+    state_report_handler: RwLock<Option<StateReportHandler>>,
 }

 /// Building FlownodeManager
@@ -170,9 +176,15 @@ impl FlowWorkerManager {
            tick_manager,
            node_id,
            flush_lock: RwLock::new(()),
+            state_report_handler: RwLock::new(None),
        }
    }

+    pub async fn with_state_report_handler(self, handler: StateReportHandler) -> Self {
+        *self.state_report_handler.write().await = Some(handler);
+        self
+    }
+
    /// Create a flownode manager with one worker
    pub fn new_with_worker<'s>(
        node_id: Option<u32>,
@@ -235,16 +247,26 @@ impl FlowWorkerManager {
            let (catalog, schema) = (table_name[0].clone(), table_name[1].clone());
            let ctx = Arc::new(QueryContext::with(&catalog, &schema));

-            let (is_ts_placeholder, proto_schema) =
-                self.try_fetch_or_create_table(&table_name).await?;
+            let (is_ts_placeholder, proto_schema) = self
+                .try_fetch_existing_table(&table_name)
+                .await?
+                .context(UnexpectedSnafu {
+                    reason: format!("Table not found: {}", table_name.join(".")),
+                })?;
            let schema_len = proto_schema.len();

+            let total_rows = reqs.iter().map(|r| r.len()).sum::<usize>();
            trace!(
                "Sending {} writeback requests to table {}, reqs total rows={}",
                reqs.len(),
                table_name.join("."),
                reqs.iter().map(|r| r.len()).sum::<usize>()
            );
+
+            METRIC_FLOW_ROWS
+                .with_label_values(&["out"])
+                .inc_by(total_rows as u64);
+
            let now = self.tick_manager.tick();
            for req in reqs {
                match req {
@@ -380,14 +402,12 @@ impl FlowWorkerManager {
        Ok(output)
    }

-    /// Fetch table info or create table from flow's schema if not exist
-    async fn try_fetch_or_create_table(
+    /// Fetch table schema and primary key from table info source, if table not exist return None
+    async fn fetch_table_pk_schema(
        &self,
        table_name: &TableName,
-    ) -> Result<(bool, Vec<api::v1::ColumnSchema>), Error> {
-        // TODO(discord9): instead of auto build table from request schema, actually build table
-        // before `create flow` to be able to assign pk and ts etc.
-        let (primary_keys, schema, is_ts_placeholder) = if let Some(table_id) = self
+    ) -> Result<Option<(Vec<String>, Option<usize>, Vec<ColumnSchema>)>, Error> {
+        if let Some(table_id) = self
            .table_info_source
            .get_table_id_from_name(table_name)
            .await?
@@ -404,102 +424,90 @@ impl FlowWorkerManager {
                .map(|i| meta.schema.column_schemas[i].name.clone())
                .collect_vec();
            let schema = meta.schema.column_schemas;
-            // check if the last column is the auto created timestamp column, hence the table is auto created from
-            // flow's plan type
-            let is_auto_create = {
-                let correct_name = schema
-                    .last()
-                    .map(|s| s.name == AUTO_CREATED_PLACEHOLDER_TS_COL)
-                    .unwrap_or(false);
-                let correct_time_index = meta.schema.timestamp_index == Some(schema.len() - 1);
-                correct_name && correct_time_index
-            };
-            (primary_keys, schema, is_auto_create)
+            let time_index = meta.schema.timestamp_index;
+            Ok(Some((primary_keys, time_index, schema)))
        } else {
-            // TODO(discord9): condiser remove buggy auto create by schema
+            Ok(None)
+        }
+    }

-            let node_ctx = self.node_context.read().await;
-            let gid: GlobalId = node_ctx
-                .table_repr
-                .get_by_name(table_name)
-                .map(|x| x.1)
-                .unwrap();
-            let schema = node_ctx
-                .schema
-                .get(&gid)
-                .with_context(|| TableNotFoundSnafu {
-                    name: format!("Table name = {:?}", table_name),
-                })?
-                .clone();
-            // TODO(discord9): use default key from schema
-            let primary_keys = schema
-                .typ()
-                .keys
-                .first()
-                .map(|v| {
-                    v.column_indices
-                        .iter()
-                        .map(|i| {
-                            schema
-                                .get_name(*i)
-                                .clone()
-                                .unwrap_or_else(|| format!("col_{i}"))
-                        })
-                        .collect_vec()
-                })
-                .unwrap_or_default();
-            let update_at = ColumnSchema::new(
-                UPDATE_AT_TS_COL,
+    /// return (primary keys, schema and if the table have a placeholder timestamp column)
+    /// schema of the table comes from flow's output plan
+    ///
+    /// adjust to add `update_at` column and ts placeholder if needed
+    async fn adjust_auto_created_table_schema(
+        &self,
+        schema: &RelationDesc,
+    ) -> Result<(Vec<String>, Vec<ColumnSchema>, bool), Error> {
+        // TODO(discord9): condiser remove buggy auto create by schema
+
+        // TODO(discord9): use default key from schema
+        let primary_keys = schema
+            .typ()
+            .keys
+            .first()
+            .map(|v| {
+                v.column_indices
+                    .iter()
+                    .map(|i| {
+                        schema
+                            .get_name(*i)
+                            .clone()
+                            .unwrap_or_else(|| format!("col_{i}"))
+                    })
+                    .collect_vec()
+            })
+            .unwrap_or_default();
+        let update_at = ColumnSchema::new(
+            UPDATE_AT_TS_COL,
+            ConcreteDataType::timestamp_millisecond_datatype(),
+            true,
+        );
+
+        let original_schema = relation_desc_to_column_schemas_with_fallback(schema);
+
+        let mut with_auto_added_col = original_schema.clone();
+        with_auto_added_col.push(update_at);
+
+        // if no time index, add one as placeholder
+        let no_time_index = schema.typ().time_index.is_none();
+        if no_time_index {
+            let ts_col = ColumnSchema::new(
+                AUTO_CREATED_PLACEHOLDER_TS_COL,
                ConcreteDataType::timestamp_millisecond_datatype(),
                true,
-            );
+            )
+            .with_time_index(true);
+            with_auto_added_col.push(ts_col);
+        }

-            let original_schema = schema
-                .typ()
-                .column_types
-                .clone()
-                .into_iter()
-                .enumerate()
-                .map(|(idx, typ)| {
-                    let name = schema
-                        .names
-                        .get(idx)
-                        .cloned()
-                        .flatten()
-                        .unwrap_or(format!("col_{}", idx));
-                    let ret = ColumnSchema::new(name, typ.scalar_type, typ.nullable);
-                    if schema.typ().time_index == Some(idx) {
-                        ret.with_time_index(true)
-                    } else {
-                        ret
-                    }
-                })
-                .collect_vec();
-
-            let mut with_auto_added_col = original_schema.clone();
-            with_auto_added_col.push(update_at);
-
-            // if no time index, add one as placeholder
-            let no_time_index = schema.typ().time_index.is_none();
-            if no_time_index {
-                let ts_col = ColumnSchema::new(
-                    AUTO_CREATED_PLACEHOLDER_TS_COL,
-                    ConcreteDataType::timestamp_millisecond_datatype(),
-                    true,
-                )
-                .with_time_index(true);
-                with_auto_added_col.push(ts_col);
-            }
-
-            (primary_keys, with_auto_added_col, no_time_index)
-        };
-        let proto_schema = column_schemas_to_proto(schema, &primary_keys)?;
-        Ok((is_ts_placeholder, proto_schema))
+        Ok((primary_keys, with_auto_added_col, no_time_index))
    }
 }

 /// Flow Runtime related methods
 impl FlowWorkerManager {
+    /// Start state report handler, which will receive a sender from HeartbeatTask to send state size report back
+    ///
+    /// if heartbeat task is shutdown, this future will exit too
+    async fn start_state_report_handler(self: Arc<Self>) -> Option<JoinHandle<()>> {
+        let state_report_handler = self.state_report_handler.write().await.take();
+        if let Some(mut handler) = state_report_handler {
+            let zelf = self.clone();
+            let handler = common_runtime::spawn_global(async move {
+                while let Some(ret_handler) = handler.recv().await {
+                    let state_report = zelf.gen_state_report().await;
+                    ret_handler.send(state_report).unwrap_or_else(|err| {
+                        common_telemetry::error!(err; "Send state size report error");
+                    });
+                }
+            });
+            Some(handler)
+        } else {
+            None
+        }
+    }
+
    /// run in common_runtime background runtime
    pub fn run_background(
        self: Arc<Self>,
@@ -507,6 +515,7 @@ impl FlowWorkerManager {
    ) -> JoinHandle<()> {
        info!("Starting flownode manager's background task");
        common_runtime::spawn_global(async move {
+            let _state_report_handler = self.clone().start_state_report_handler().await;
            self.run(shutdown).await;
        })
    }
@@ -533,6 +542,8 @@ impl FlowWorkerManager {
        let default_interval = Duration::from_secs(1);
        let mut avg_spd = 0; // rows/sec
        let mut since_last_run = tokio::time::Instant::now();
+        let run_per_trace = 10;
+        let mut run_cnt = 0;
        loop {
            // TODO(discord9): only run when new inputs arrive or scheduled to
            let row_cnt = self.run_available(true).await.unwrap_or_else(|err| {
@@ -575,10 +586,19 @@ impl FlowWorkerManager {
            } else {
                (9 * avg_spd + cur_spd) / 10
            };
-            trace!("avg_spd={} r/s, cur_spd={} r/s", avg_spd, cur_spd);
            let new_wait = BATCH_SIZE * 1000 / avg_spd.max(1); //in ms
            let new_wait = Duration::from_millis(new_wait as u64).min(default_interval);
-            trace!("Wait for {} ms, row_cnt={}", new_wait.as_millis(), row_cnt);
+
+            // print trace every `run_per_trace` times so that we can see if there is something wrong
+            // but also not get flooded with trace
+            if run_cnt >= run_per_trace {
+                trace!("avg_spd={} r/s, cur_spd={} r/s", avg_spd, cur_spd);
+                trace!("Wait for {} ms, row_cnt={}", new_wait.as_millis(), row_cnt);
+                run_cnt = 0;
+            } else {
+                run_cnt += 1;
+            }
+
            METRIC_FLOW_RUN_INTERVAL_MS.set(new_wait.as_millis() as i64);
            since_last_run = tokio::time::Instant::now();
            tokio::time::sleep(new_wait).await;
@@ -638,13 +658,18 @@ impl FlowWorkerManager {
        &self,
        region_id: RegionId,
        rows: Vec<DiffRow>,
+        batch_datatypes: &[ConcreteDataType],
    ) -> Result<(), Error> {
        let rows_len = rows.len();
        let table_id = region_id.table_id();
        let _timer = METRIC_FLOW_INSERT_ELAPSED
            .with_label_values(&[table_id.to_string().as_str()])
            .start_timer();
-        self.node_context.read().await.send(table_id, rows).await?;
+        self.node_context
+            .read()
+            .await
+            .send(table_id, rows, batch_datatypes)
+            .await?;
        trace!(
            "Handling write request for table_id={} with {} rows",
            table_id,
@@ -759,7 +784,85 @@ impl FlowWorkerManager {
        let flow_plan = sql_to_flow_plan(&mut node_ctx, &self.query_engine, &sql).await?;

        debug!("Flow {:?}'s Plan is {:?}", flow_id, flow_plan);
-        node_ctx.assign_table_schema(&sink_table_name, flow_plan.schema.clone())?;
+
+        // check schema against actual table schema if exists
+        // if not exist create sink table immediately
+        if let Some((_, _, real_schema)) = self.fetch_table_pk_schema(&sink_table_name).await? {
+            let auto_schema = relation_desc_to_column_schemas_with_fallback(&flow_plan.schema);
+
+            // for column schema, only `data_type` need to be check for equality
+            // since one can omit flow's column name when write flow query
+            // print a user friendly error message about mismatch and how to correct them
+            for (idx, zipped) in auto_schema
+                .iter()
+                .zip_longest(real_schema.iter())
+                .enumerate()
+            {
+                match zipped {
+                    EitherOrBoth::Both(auto, real) => {
+                        if auto.data_type != real.data_type {
+                            InvalidQuerySnafu {
+                                    reason: format!(
+                                        "Column {}(name is '{}', flow inferred name is '{}')'s data type mismatch, expect {:?} got {:?}",
+                                        idx,
+                                        real.name,
+                                        auto.name,
+                                        real.data_type,
+                                        auto.data_type
+                                    ),
+                                }
+                                .fail()?;
+                        }
+                    }
+                    EitherOrBoth::Right(real) if real.data_type.is_timestamp() => {
+                        // if table is auto created, the last one or two column should be timestamp(update at and ts placeholder)
+                        continue;
+                    }
+                    _ => InvalidQuerySnafu {
+                        reason: format!(
+                            "schema length mismatched, expected {} found {}",
+                            real_schema.len(),
+                            auto_schema.len()
+                        ),
+                    }
+                    .fail()?,
+                }
+            }
+
+            let table_id = self
+                .table_info_source
+                .get_table_id_from_name(&sink_table_name)
+                .await?
+                .context(UnexpectedSnafu {
+                    reason: format!("Can't get table id for table name {:?}", sink_table_name),
+                })?;
+            let table_info_value = self
+                .table_info_source
+                .get_table_info_value(&table_id)
+                .await?
+                .context(UnexpectedSnafu {
+                    reason: format!("Can't get table info value for table id {:?}", table_id),
+                })?;
+            let real_schema = table_info_value_to_relation_desc(table_info_value)?;
+            node_ctx.assign_table_schema(&sink_table_name, real_schema.clone())?;
+        } else {
+            // assign inferred schema to sink table
+            // create sink table
+            node_ctx.assign_table_schema(&sink_table_name, flow_plan.schema.clone())?;
+            let did_create = self
+                .create_table_from_relation(
+                    &format!("flow-id={flow_id}"),
+                    &sink_table_name,
+                    &flow_plan.schema,
+                )
+                .await?;
+            if !did_create {
+                UnexpectedSnafu {
+                    reason: format!("Failed to create table {:?}", sink_table_name),
+                }
+                .fail()?;
+            }
+        }

        let _ = comment;
        let _ = flow_options;
--- a/src/flow/src/adapter/flownode_impl.rs
+++ b/src/flow/src/adapter/flownode_impl.rs
@@ -28,6 +28,7 @@ use itertools::Itertools;
 use snafu::{OptionExt, ResultExt};
 use store_api::storage::RegionId;

+use super::util::from_proto_to_data_type;
 use crate::adapter::{CreateFlowArgs, FlowWorkerManager};
 use crate::error::InternalSnafu;
 use crate::metrics::METRIC_FLOW_TASK_COUNT;
@@ -137,7 +138,7 @@ impl Flownode for FlowWorkerManager {
    }

    async fn handle_inserts(&self, request: InsertRequests) -> Result<FlowResponse> {
-        // using try_read makesure two things:
+        // using try_read to ensure two things:
        // 1. flush wouldn't happen until inserts before it is inserted
        // 2. inserts happening concurrently with flush wouldn't be block by flush
        let _flush_lock = self.flush_lock.try_read();
@@ -206,9 +207,17 @@ impl Flownode for FlowWorkerManager {
                })
                .map(|r| (r, now, 1))
                .collect_vec();
-            self.handle_write_request(region_id.into(), rows)
-                .await
+            let batch_datatypes = insert_schema
+                .iter()
+                .map(from_proto_to_data_type)
+                .collect::<std::result::Result<Vec<_>, _>>()
                .map_err(to_meta_err)?;
+            self.handle_write_request(region_id.into(), rows, &batch_datatypes)
+                .await
+                .map_err(|err| {
+                    common_telemetry::error!(err;"Failed to handle write request");
+                    to_meta_err(err)
+                })?;
        }
        Ok(Default::default())
    }
--- a/src/flow/src/adapter/node_context.rs
+++ b/src/flow/src/adapter/node_context.rs
@@ -19,6 +19,7 @@ use std::sync::atomic::{AtomicUsize, Ordering};
 use std::sync::Arc;

 use common_telemetry::trace;
+use datatypes::prelude::ConcreteDataType;
 use session::context::QueryContext;
 use snafu::{OptionExt, ResultExt};
 use table::metadata::TableId;
@@ -131,7 +132,11 @@ impl SourceSender {
    }

    /// return number of rows it actual send(including what's in the buffer)
-    pub async fn send_rows(&self, rows: Vec<DiffRow>) -> Result<usize, Error> {
+    pub async fn send_rows(
+        &self,
+        rows: Vec<DiffRow>,
+        batch_datatypes: &[ConcreteDataType],
+    ) -> Result<usize, Error> {
        METRIC_FLOW_INPUT_BUF_SIZE.add(rows.len() as _);
        while self.send_buf_row_cnt.load(Ordering::SeqCst) >= BATCH_SIZE * 4 {
            tokio::task::yield_now().await;
@@ -139,8 +144,11 @@ impl SourceSender {
        // row count metrics is approx so relaxed order is ok
        self.send_buf_row_cnt
            .fetch_add(rows.len(), Ordering::SeqCst);
-        let batch = Batch::try_from_rows(rows.into_iter().map(|(row, _, _)| row).collect())
-            .context(EvalSnafu)?;
+        let batch = Batch::try_from_rows_with_types(
+            rows.into_iter().map(|(row, _, _)| row).collect(),
+            batch_datatypes,
+        )
+        .context(EvalSnafu)?;
        common_telemetry::trace!("Send one batch to worker with {} rows", batch.row_count());
        self.send_buf_tx.send(batch).await.map_err(|e| {
            crate::error::InternalSnafu {
@@ -157,14 +165,19 @@ impl FlownodeContext {
    /// return number of rows it actual send(including what's in the buffer)
    ///
    /// TODO(discord9): make this concurrent
-    pub async fn send(&self, table_id: TableId, rows: Vec<DiffRow>) -> Result<usize, Error> {
+    pub async fn send(
+        &self,
+        table_id: TableId,
+        rows: Vec<DiffRow>,
+        batch_datatypes: &[ConcreteDataType],
+    ) -> Result<usize, Error> {
        let sender = self
            .source_sender
            .get(&table_id)
            .with_context(|| TableNotFoundSnafu {
                name: table_id.to_string(),
            })?;
-        sender.send_rows(rows).await
+        sender.send_rows(rows, batch_datatypes).await
    }

    /// flush all sender's buf
@@ -318,12 +331,14 @@ impl FlownodeContext {
        } else {
            let global_id = self.new_global_id();

+            // table id is Some meaning db must have created the table
            if let Some(table_id) = table_id {
                let (known_table_name, schema) = srv_map.get_table_name_schema(&table_id).await?;
                table_name = table_name.or(Some(known_table_name));
                self.schema.insert(global_id, schema);
-            } // if we don't have table id, it means database havn't assign one yet or we don't need it
+            } // if we don't have table id, it means database haven't assign one yet or we don't need it

+            // still update the mapping with new global id
            self.table_repr.insert(table_name, table_id, global_id);
            Ok(global_id)
        }
@@ -345,6 +360,7 @@ impl FlownodeContext {
            })?;

        self.schema.insert(gid, schema);
+
        Ok(())
    }

--- a/src/flow/src/adapter/stat.rs
+++ b/src/flow/src/adapter/stat.rs
@@ -0,0 +1,40 @@
+// Copyright 2023 Greptime Team
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+use std::collections::BTreeMap;
+
+use common_meta::key::flow::flow_state::FlowStat;
+
+use crate::FlowWorkerManager;
+
+impl FlowWorkerManager {
+    pub async fn gen_state_report(&self) -> FlowStat {
+        let mut full_report = BTreeMap::new();
+        for worker in self.worker_handles.iter() {
+            let worker = worker.lock().await;
+            match worker.get_state_size().await {
+                Ok(state_size) => {
+                    full_report.extend(state_size.into_iter().map(|(k, v)| (k as u32, v)))
+                }
+                Err(err) => {
+                    common_telemetry::error!(err; "Get flow stat size error");
+                }
+            }
+        }
+
+        FlowStat {
+            state_size: full_report,
+        }
+    }
+}
--- a/src/flow/src/adapter/table_source.rs
+++ b/src/flow/src/adapter/table_source.rs
@@ -20,11 +20,12 @@ use common_meta::key::table_name::{TableNameKey, TableNameManager};
 use snafu::{OptionExt, ResultExt};
 use table::metadata::TableId;

+use crate::adapter::util::table_info_value_to_relation_desc;
 use crate::adapter::TableName;
 use crate::error::{
    Error, ExternalSnafu, TableNotFoundMetaSnafu, TableNotFoundSnafu, UnexpectedSnafu,
 };
-use crate::repr::{self, ColumnType, RelationDesc, RelationType};
+use crate::repr::RelationDesc;

 /// mapping of table name <-> table id should be query from tableinfo manager
 pub struct TableSource {
@@ -61,7 +62,7 @@ impl TableSource {
            .map(|id| id.table_id())
    }

-    /// If the table havn't been created in database, the tableId returned would be null
+    /// If the table haven't been created in database, the tableId returned would be null
    pub async fn get_table_id_from_name(&self, name: &TableName) -> Result<Option<TableId>, Error> {
        let ret = self
            .table_name_manager
@@ -121,38 +122,7 @@ impl TableSource {
            table_name.table_name,
        ];

-        let raw_schema = table_info_value.table_info.meta.schema;
-        let (column_types, col_names): (Vec<_>, Vec<_>) = raw_schema
-            .column_schemas
-            .clone()
-            .into_iter()
-            .map(|col| {
-                (
-                    ColumnType {
-                        nullable: col.is_nullable(),
-                        scalar_type: col.data_type,
-                    },
-                    Some(col.name),
-                )
-            })
-            .unzip();
-
-        let key = table_info_value.table_info.meta.primary_key_indices;
-        let keys = vec![repr::Key::from(key)];
-
-        let time_index = raw_schema.timestamp_index;
-        Ok((
-            table_name,
-            RelationDesc {
-                typ: RelationType {
-                    column_types,
-                    keys,
-                    time_index,
-                    // by default table schema's column are all non-auto
-                    auto_columns: vec![],
-                },
-                names: col_names,
-            },
-        ))
+        let desc = table_info_value_to_relation_desc(table_info_value)?;
+        Ok((table_name, desc))
    }
 }
--- a/src/flow/src/adapter/util.rs
+++ b/src/flow/src/adapter/util.rs
@@ -12,15 +12,167 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.

+use std::sync::Arc;
+
 use api::helper::ColumnDataTypeWrapper;
 use api::v1::column_def::options_from_column_schema;
-use api::v1::{ColumnDataType, ColumnDataTypeExtension, SemanticType};
+use api::v1::{ColumnDataType, ColumnDataTypeExtension, CreateTableExpr, SemanticType};
 use common_error::ext::BoxedError;
+use common_meta::key::table_info::TableInfoValue;
+use datatypes::prelude::ConcreteDataType;
 use datatypes::schema::ColumnSchema;
 use itertools::Itertools;
-use snafu::ResultExt;
+use operator::expr_factory::CreateExprFactory;
+use session::context::QueryContextBuilder;
+use snafu::{OptionExt, ResultExt};
+use table::table_reference::TableReference;

-use crate::error::{Error, ExternalSnafu};
+use crate::adapter::{TableName, AUTO_CREATED_PLACEHOLDER_TS_COL};
+use crate::error::{Error, ExternalSnafu, UnexpectedSnafu};
+use crate::repr::{ColumnType, RelationDesc, RelationType};
+use crate::FlowWorkerManager;
+
+impl FlowWorkerManager {
+    /// Create table from given schema(will adjust to add auto column if needed), return true if table is created
+    pub(crate) async fn create_table_from_relation(
+        &self,
+        flow_name: &str,
+        table_name: &TableName,
+        relation_desc: &RelationDesc,
+    ) -> Result<bool, Error> {
+        if self.fetch_table_pk_schema(table_name).await?.is_some() {
+            return Ok(false);
+        }
+        let (pks, tys, _) = self.adjust_auto_created_table_schema(relation_desc).await?;
+
+        //create sink table using pks, column types and is_ts_auto
+
+        let proto_schema = column_schemas_to_proto(tys.clone(), &pks)?;
+
+        // create sink table
+        let create_expr = CreateExprFactory {}
+            .create_table_expr_by_column_schemas(
+                &TableReference {
+                    catalog: &table_name[0],
+                    schema: &table_name[1],
+                    table: &table_name[2],
+                },
+                &proto_schema,
+                "mito",
+                Some(&format!("Sink table for flow {}", flow_name)),
+            )
+            .map_err(BoxedError::new)
+            .context(ExternalSnafu)?;
+
+        self.submit_create_sink_table_ddl(create_expr).await?;
+        Ok(true)
+    }
+
+    /// Try fetch table with adjusted schema(added auto column if needed)
+    pub(crate) async fn try_fetch_existing_table(
+        &self,
+        table_name: &TableName,
+    ) -> Result<Option<(bool, Vec<api::v1::ColumnSchema>)>, Error> {
+        if let Some((primary_keys, time_index, schema)) =
+            self.fetch_table_pk_schema(table_name).await?
+        {
+            // check if the last column is the auto created timestamp column, hence the table is auto created from
+            // flow's plan type
+            let is_auto_create = {
+                let correct_name = schema
+                    .last()
+                    .map(|s| s.name == AUTO_CREATED_PLACEHOLDER_TS_COL)
+                    .unwrap_or(false);
+                let correct_time_index = time_index == Some(schema.len() - 1);
+                correct_name && correct_time_index
+            };
+            let proto_schema = column_schemas_to_proto(schema, &primary_keys)?;
+            Ok(Some((is_auto_create, proto_schema)))
+        } else {
+            Ok(None)
+        }
+    }
+
+    /// submit a create table ddl
+    pub(crate) async fn submit_create_sink_table_ddl(
+        &self,
+        mut create_table: CreateTableExpr,
+    ) -> Result<(), Error> {
+        let stmt_exec = {
+            self.frontend_invoker
+                .read()
+                .await
+                .as_ref()
+                .map(|f| f.statement_executor())
+        }
+        .context(UnexpectedSnafu {
+            reason: "Failed to get statement executor",
+        })?;
+        let ctx = Arc::new(
+            QueryContextBuilder::default()
+                .current_catalog(create_table.catalog_name.clone())
+                .current_schema(create_table.schema_name.clone())
+                .build(),
+        );
+        stmt_exec
+            .create_table_inner(&mut create_table, None, ctx)
+            .await
+            .map_err(BoxedError::new)
+            .context(ExternalSnafu)?;
+
+        Ok(())
+    }
+}
+
+pub fn table_info_value_to_relation_desc(
+    table_info_value: TableInfoValue,
+) -> Result<RelationDesc, Error> {
+    let raw_schema = table_info_value.table_info.meta.schema;
+    let (column_types, col_names): (Vec<_>, Vec<_>) = raw_schema
+        .column_schemas
+        .clone()
+        .into_iter()
+        .map(|col| {
+            (
+                ColumnType {
+                    nullable: col.is_nullable(),
+                    scalar_type: col.data_type,
+                },
+                Some(col.name),
+            )
+        })
+        .unzip();
+
+    let key = table_info_value.table_info.meta.primary_key_indices;
+    let keys = vec![crate::repr::Key::from(key)];
+
+    let time_index = raw_schema.timestamp_index;
+
+    Ok(RelationDesc {
+        typ: RelationType {
+            column_types,
+            keys,
+            time_index,
+            // by default table schema's column are all non-auto
+            auto_columns: vec![],
+        },
+        names: col_names,
+    })
+}
+
+pub fn from_proto_to_data_type(
+    column_schema: &api::v1::ColumnSchema,
+) -> Result<ConcreteDataType, Error> {
+    let wrapper = ColumnDataTypeWrapper::try_new(
+        column_schema.datatype,
+        column_schema.datatype_extension.clone(),
+    )
+    .map_err(BoxedError::new)
+    .context(ExternalSnafu)?;
+    let cdt = ConcreteDataType::from(wrapper);
+
+    Ok(cdt)
+}

 /// convert `ColumnSchema` lists to it's corresponding proto type
 pub fn column_schemas_to_proto(
@@ -60,3 +212,29 @@ pub fn column_schemas_to_proto(
        .collect();
    Ok(ret)
 }
+
+/// Convert `RelationDesc` to `ColumnSchema` list,
+/// if the column name is not present, use `col_{idx}` as the column name
+pub fn relation_desc_to_column_schemas_with_fallback(schema: &RelationDesc) -> Vec<ColumnSchema> {
+    schema
+        .typ()
+        .column_types
+        .clone()
+        .into_iter()
+        .enumerate()
+        .map(|(idx, typ)| {
+            let name = schema
+                .names
+                .get(idx)
+                .cloned()
+                .flatten()
+                .unwrap_or(format!("col_{}", idx));
+            let ret = ColumnSchema::new(name, typ.scalar_type, typ.nullable);
+            if schema.typ().time_index == Some(idx) {
+                ret.with_time_index(true)
+            } else {
+                ret
+            }
+        })
+        .collect_vec()
+}
--- a/src/flow/src/adapter/worker.rs
+++ b/src/flow/src/adapter/worker.rs
@@ -197,6 +197,21 @@ impl WorkerHandle {
            .fail()
        }
    }
+
+    pub async fn get_state_size(&self) -> Result<BTreeMap<FlowId, usize>, Error> {
+        let ret = self
+            .itc_client
+            .call_with_resp(Request::QueryStateSize)
+            .await?;
+        ret.into_query_state_size().map_err(|ret| {
+            InternalSnafu {
+                reason: format!(
+                    "Flow Node/Worker itc failed, expect Response::QueryStateSize, found {ret:?}"
+                ),
+            }
+            .build()
+        })
+    }
 }

 impl Drop for WorkerHandle {
@@ -361,6 +376,13 @@ impl<'s> Worker<'s> {
                Some(Response::ContainTask { result: ret })
            }
            Request::Shutdown => return Err(()),
+            Request::QueryStateSize => {
+                let mut ret = BTreeMap::new();
+                for (flow_id, task_state) in self.task_states.iter() {
+                    ret.insert(*flow_id, task_state.state.get_state_size());
+                }
+                Some(Response::QueryStateSize { result: ret })
+            }
        };
        Ok(ret)
    }
@@ -391,6 +413,7 @@ pub enum Request {
        flow_id: FlowId,
    },
    Shutdown,
+    QueryStateSize,
 }

 #[derive(Debug, EnumAsInner)]
@@ -406,6 +429,10 @@ enum Response {
        result: bool,
    },
    RunAvail,
+    QueryStateSize {
+        /// each flow tasks' state size
+        result: BTreeMap<FlowId, usize>,
+    },
 }

 fn create_inter_thread_call() -> (InterThreadCallClient, InterThreadCallServer) {
@@ -423,10 +450,12 @@ struct InterThreadCallClient {
 }

 impl InterThreadCallClient {
+    /// call without response
    fn call_no_resp(&self, req: Request) -> Result<(), Error> {
        self.arg_sender.send((req, None)).map_err(from_send_error)
    }

+    /// call with response
    async fn call_with_resp(&self, req: Request) -> Result<Response, Error> {
        let (tx, rx) = oneshot::channel();
        self.arg_sender
@@ -527,6 +556,7 @@ mod test {
        );
        tx.send(Batch::empty()).unwrap();
        handle.run_available(0, true).await.unwrap();
+        assert_eq!(handle.get_state_size().await.unwrap().len(), 1);
        assert_eq!(sink_rx.recv().await.unwrap(), Batch::empty());
        drop(handle);
        worker_thread_handle.join().unwrap();
--- a/src/flow/src/compute/render.rs
+++ b/src/flow/src/compute/render.rs
@@ -30,7 +30,7 @@ use crate::compute::types::{Collection, CollectionBundle, ErrCollector, Toff};
 use crate::error::{Error, InvalidQuerySnafu, NotImplementedSnafu};
 use crate::expr::{self, Batch, GlobalId, LocalId};
 use crate::plan::{Plan, TypedPlan};
-use crate::repr::{self, DiffRow};
+use crate::repr::{self, DiffRow, RelationType};

 mod map;
 mod reduce;
@@ -124,10 +124,10 @@ impl Context<'_, '_> {
    /// Like `render_plan` but in Batch Mode
    pub fn render_plan_batch(&mut self, plan: TypedPlan) -> Result<CollectionBundle<Batch>, Error> {
        match plan.plan {
-            Plan::Constant { rows } => Ok(self.render_constant_batch(rows)),
+            Plan::Constant { rows } => Ok(self.render_constant_batch(rows, &plan.schema.typ)),
            Plan::Get { id } => self.get_batch_by_id(id),
            Plan::Let { id, value, body } => self.eval_batch_let(id, value, body),
-            Plan::Mfp { input, mfp } => self.render_mfp_batch(input, mfp),
+            Plan::Mfp { input, mfp } => self.render_mfp_batch(input, mfp, &plan.schema.typ),
            Plan::Reduce {
                input,
                key_val_plan,
@@ -172,7 +172,11 @@ impl Context<'_, '_> {
    /// render Constant, take all rows that have a timestamp not greater than the current time
    /// This function is primarily used for testing
    /// Always assume input is sorted by timestamp
-    pub fn render_constant_batch(&mut self, rows: Vec<DiffRow>) -> CollectionBundle<Batch> {
+    pub fn render_constant_batch(
+        &mut self,
+        rows: Vec<DiffRow>,
+        output_type: &RelationType,
+    ) -> CollectionBundle<Batch> {
        let (send_port, recv_port) = self.df.make_edge::<_, Toff<Batch>>("constant_batch");
        let mut per_time: BTreeMap<repr::Timestamp, Vec<DiffRow>> = Default::default();
        for (key, group) in &rows.into_iter().group_by(|(_row, ts, _diff)| *ts) {
@@ -185,6 +189,8 @@ impl Context<'_, '_> {
        let scheduler_inner = scheduler.clone();
        let err_collector = self.err_collector.clone();

+        let output_type = output_type.clone();
+
        let subgraph_id =
            self.df
                .add_subgraph_source("ConstantBatch", send_port, move |_ctx, send_port| {
@@ -199,7 +205,14 @@ impl Context<'_, '_> {
                    not_great_than_now.into_iter().for_each(|(_ts, rows)| {
                        err_collector.run(|| {
                            let rows = rows.into_iter().map(|(row, _ts, _diff)| row).collect();
-                            let batch = Batch::try_from_rows(rows)?;
+                            let batch = Batch::try_from_rows_with_types(
+                                rows,
+                                &output_type
+                                    .column_types
+                                    .iter()
+                                    .map(|ty| ty.scalar_type().clone())
+                                    .collect_vec(),
+                            )?;
                            send_port.give(vec![batch]);
                            Ok(())
                        });
--- a/src/flow/src/compute/render/map.rs
+++ b/src/flow/src/compute/render/map.rs
@@ -25,7 +25,7 @@ use crate::compute::types::{Arranged, Collection, CollectionBundle, ErrCollector
 use crate::error::{Error, PlanSnafu};
 use crate::expr::{Batch, EvalError, MapFilterProject, MfpPlan, ScalarExpr};
 use crate::plan::TypedPlan;
-use crate::repr::{self, DiffRow, KeyValDiffRow, Row};
+use crate::repr::{self, DiffRow, KeyValDiffRow, RelationType, Row};
 use crate::utils::ArrangeHandler;

 impl Context<'_, '_> {
@@ -34,6 +34,7 @@ impl Context<'_, '_> {
        &mut self,
        input: Box<TypedPlan>,
        mfp: MapFilterProject,
+        _output_type: &RelationType,
    ) -> Result<CollectionBundle<Batch>, Error> {
        let input = self.render_plan_batch(*input)?;

--- a/src/flow/src/compute/render/reduce.rs
+++ b/src/flow/src/compute/render/reduce.rs
@@ -16,6 +16,7 @@ use std::collections::{BTreeMap, BTreeSet};
 use std::ops::Range;
 use std::sync::Arc;

+use arrow::array::new_null_array;
 use common_telemetry::trace;
 use datatypes::data_type::ConcreteDataType;
 use datatypes::prelude::DataType;
@@ -87,6 +88,8 @@ impl Context<'_, '_> {
        })?;
        let key_val_plan = key_val_plan.clone();

+        let output_type = output_type.clone();
+
        let now = self.compute_state.current_time_ref();

        let err_collector = self.err_collector.clone();
@@ -118,6 +121,7 @@ impl Context<'_, '_> {
                    src_data,
                    &key_val_plan,
                    &accum_plan,
+                    &output_type,
                    SubgraphArg {
                        now,
                        err_collector: &err_collector,
@@ -354,6 +358,7 @@ fn reduce_batch_subgraph(
    src_data: impl IntoIterator<Item = Batch>,
    key_val_plan: &KeyValPlan,
    accum_plan: &AccumulablePlan,
+    output_type: &RelationType,
    SubgraphArg {
        now,
        err_collector,
@@ -394,20 +399,54 @@ fn reduce_batch_subgraph(
                }
            }

-            // TODO: here reduce numbers of eq to minimal by keeping slicing key/val batch
+            let key_data_types = output_type
+                .column_types
+                .iter()
+                .map(|t| t.scalar_type.clone())
+                .collect_vec();
+
+            // TODO(discord9): here reduce numbers of eq to minimal by keeping slicing key/val batch
            for key_row in distinct_keys {
                let key_scalar_value = {
                    let mut key_scalar_value = Vec::with_capacity(key_row.len());
-                    for key in key_row.iter() {
+                    for (key_idx, key) in key_row.iter().enumerate() {
                        let v =
                            key.try_to_scalar_value(&key.data_type())
                                .context(DataTypeSnafu {
                                    msg: "can't convert key values to datafusion value",
                                })?;
-                        let arrow_value =
+
+                        let key_data_type = key_data_types.get(key_idx).context(InternalSnafu {
+                            reason: format!(
+                                "Key index out of bound, expected at most {} but got {}",
+                                output_type.column_types.len(),
+                                key_idx
+                            ),
+                        })?;
+
+                        // if incoming value's datatype is null, it need to be handled specially, see below
+                        if key_data_type.as_arrow_type() != v.data_type()
+                            && !v.data_type().is_null()
+                        {
+                            crate::expr::error::InternalSnafu {
+                                reason: format!(
+                                    "Key data type mismatch, expected {:?} but got {:?}",
+                                    key_data_type.as_arrow_type(),
+                                    v.data_type()
+                                ),
+                            }
+                            .fail()?
+                        }
+
+                        // handle single null key
+                        let arrow_value = if v.data_type().is_null() {
+                            let ret = new_null_array(&arrow::datatypes::DataType::Null, 1);
+                            arrow::array::Scalar::new(ret)
+                        } else {
                            v.to_scalar().context(crate::expr::error::DatafusionSnafu {
                                context: "can't convert key values to arrow value",
-                            })?;
+                            })?
+                        };
                        key_scalar_value.push(arrow_value);
                    }
                    key_scalar_value
@@ -419,7 +458,19 @@ fn reduce_batch_subgraph(
                    .zip(key_batch.batch().iter())
                    .map(|(key, col)| {
                        // TODO(discord9): this takes half of the cpu! And this is redundant amount of `eq`!
-                        arrow::compute::kernels::cmp::eq(&key, &col.to_arrow_array().as_ref() as _)
+
+                        // note that if lhs is a null, we still need to get all rows that are null! But can't use `eq` since
+                        // it will return null if input have null, so we need to use `is_null` instead
+                        if arrow::array::Datum::get(&key).0.data_type().is_null() {
+                            arrow::compute::kernels::boolean::is_null(
+                                col.to_arrow_array().as_ref() as _
+                            )
+                        } else {
+                            arrow::compute::kernels::cmp::eq(
+                                &key,
+                                &col.to_arrow_array().as_ref() as _,
+                            )
+                        }
                    })
                    .try_collect::<_, Vec<_>, _>()
                    .context(ArrowSnafu {
@@ -535,17 +586,13 @@ fn reduce_batch_subgraph(
    // this output part is not supposed to be resource intensive
    // (because for every batch there wouldn't usually be as many output row?),
    // so we can do some costly operation here
-    let output_types = all_output_dict.first_entry().map(|entry| {
-        entry
-            .key()
-            .iter()
-            .chain(entry.get().iter())
-            .map(|v| v.data_type())
-            .collect::<Vec<ConcreteDataType>>()
-    });
+    let output_types = output_type
+        .column_types
+        .iter()
+        .map(|t| t.scalar_type.clone())
+        .collect_vec();

-    if let Some(output_types) = output_types {
-        err_collector.run(|| {
+    err_collector.run(|| {
            let column_cnt = output_types.len();
            let row_cnt = all_output_dict.len();

@@ -585,7 +632,6 @@ fn reduce_batch_subgraph(

            Ok(())
        });
-    }
 }

 /// reduce subgraph, reduce the input data into a single row
@@ -1516,7 +1562,9 @@ mod test {
        let mut ctx = harness_test_ctx(&mut df, &mut state);

        let rows = vec![
-            (Row::new(vec![1i64.into()]), 1, 1),
+            (Row::new(vec![Value::Null]), -1, 1),
+            (Row::new(vec![1i64.into()]), 0, 1),
+            (Row::new(vec![Value::Null]), 1, 1),
            (Row::new(vec![2i64.into()]), 2, 1),
            (Row::new(vec![3i64.into()]), 3, 1),
            (Row::new(vec![1i64.into()]), 4, 1),
@@ -1558,13 +1606,15 @@ mod test {
                Box::new(input_plan.with_types(typ.into_unnamed())),
                &key_val_plan,
                &reduce_plan,
-                &RelationType::empty(),
+                &RelationType::new(vec![ColumnType::new(CDT::int64_datatype(), true)]),
            )
            .unwrap();

        {
            let now_inner = now.clone();
            let expected = BTreeMap::<i64, Vec<i64>>::from([
+                (-1, vec![]),
+                (0, vec![1i64]),
                (1, vec![1i64]),
                (2, vec![3i64]),
                (3, vec![6i64]),
@@ -1581,7 +1631,11 @@ mod test {

                    if let Some(expected) = expected.get(&now) {
                        let batch = expected.iter().map(|v| Value::from(*v)).collect_vec();
-                        let batch = Batch::try_from_rows(vec![batch.into()]).unwrap();
+                        let batch = Batch::try_from_rows_with_types(
+                            vec![batch.into()],
+                            &[CDT::int64_datatype()],
+                        )
+                        .unwrap();
                        assert_eq!(res.first(), Some(&batch));
                    }
                });
--- a/src/flow/src/compute/state.rs
+++ b/src/flow/src/compute/state.rs
@@ -16,6 +16,7 @@ use std::cell::RefCell;
 use std::collections::{BTreeMap, VecDeque};
 use std::rc::Rc;

+use get_size2::GetSize;
 use hydroflow::scheduled::graph::Hydroflow;
 use hydroflow::scheduled::SubgraphId;

@@ -109,6 +110,10 @@ impl DataflowState {
    pub fn expire_after(&self) -> Option<Timestamp> {
        self.expire_after
    }
+
+    pub fn get_state_size(&self) -> usize {
+        self.arrange_used.iter().map(|x| x.read().get_size()).sum()
+    }
 }

 #[derive(Debug, Clone)]
--- a/src/flow/src/compute/types.rs
+++ b/src/flow/src/compute/types.rs
@@ -17,6 +17,7 @@ use std::collections::{BTreeMap, VecDeque};
 use std::rc::Rc;
 use std::sync::Arc;

+use common_error::ext::ErrorExt;
 use hydroflow::scheduled::graph::Hydroflow;
 use hydroflow::scheduled::handoff::TeeingHandoff;
 use hydroflow::scheduled::port::RecvPort;
@@ -25,6 +26,7 @@ use itertools::Itertools;
 use tokio::sync::Mutex;

 use crate::expr::{Batch, EvalError, ScalarExpr};
+use crate::metrics::METRIC_FLOW_ERRORS;
 use crate::repr::DiffRow;
 use crate::utils::ArrangeHandler;

@@ -185,6 +187,9 @@ impl ErrCollector {
    }

    pub fn push_err(&self, err: EvalError) {
+        METRIC_FLOW_ERRORS
+            .with_label_values(&[err.status_code().as_ref()])
+            .inc();
        self.inner.blocking_lock().push_back(err)
    }

--- a/src/flow/src/df_optimizer.rs
+++ b/src/flow/src/df_optimizer.rs
@@ -492,7 +492,7 @@ impl ScalarUDFImpl for TumbleExpand {
                if let Some(start_time) = opt{
                    if !matches!(start_time,  Utf8 | Date32 | Date64 | Timestamp(_, _)){
                        return Err(DataFusionError::Plan(
-                            format!("Expect start_time to either be date, timestampe or string, found {:?}", start_time)
+                            format!("Expect start_time to either be date, timestamp or string, found {:?}", start_time)
                        ));
                    }
                }
--- a/src/flow/src/error.rs
+++ b/src/flow/src/error.rs
@@ -16,12 +16,13 @@

 use std::any::Any;

-use common_error::define_into_tonic_status;
 use common_error::ext::BoxedError;
+use common_error::{define_into_tonic_status, from_err_code_msg_to_header};
 use common_macro::stack_trace_debug;
 use common_telemetry::common_error::ext::ErrorExt;
 use common_telemetry::common_error::status_code::StatusCode;
 use snafu::{Location, Snafu};
+use tonic::metadata::MetadataMap;

 use crate::adapter::FlowId;
 use crate::expr::EvalError;
@@ -186,6 +187,20 @@ pub enum Error {
    },
 }

+/// the outer message is the full error stack, and inner message in header is the last error message that can be show directly to user
+pub fn to_status_with_last_err(err: impl ErrorExt) -> tonic::Status {
+    let msg = err.to_string();
+    let last_err_msg = common_error::ext::StackError::last(&err).to_string();
+    let code = err.status_code() as u32;
+    let header = from_err_code_msg_to_header(code, &last_err_msg);
+
+    tonic::Status::with_metadata(
+        tonic::Code::InvalidArgument,
+        msg,
+        MetadataMap::from_headers(header),
+    )
+}
+
 /// Result type for flow module
 pub type Result<T> = std::result::Result<T, Error>;

@@ -200,9 +215,8 @@ impl ErrorExt for Error {
            | Self::TableNotFoundMeta { .. }
            | Self::FlowNotFound { .. }
            | Self::ListFlows { .. } => StatusCode::TableNotFound,
-            Self::InvalidQuery { .. } | Self::Plan { .. } | Self::Datatypes { .. } => {
-                StatusCode::PlanQuery
-            }
+            Self::Plan { .. } | Self::Datatypes { .. } => StatusCode::PlanQuery,
+            Self::InvalidQuery { .. } => StatusCode::EngineExecuteQuery,
            Self::Unexpected { .. } => StatusCode::Unexpected,
            Self::NotImplemented { .. } | Self::UnsupportedTemporalFilter { .. } => {
                StatusCode::Unsupported
--- a/src/flow/src/expr.rs
+++ b/src/flow/src/expr.rs
@@ -24,7 +24,7 @@ mod scalar;
 mod signature;

 use arrow::compute::FilterBuilder;
-use datatypes::prelude::DataType;
+use datatypes::prelude::{ConcreteDataType, DataType};
 use datatypes::value::Value;
 use datatypes::vectors::{BooleanVector, Helper, VectorRef};
 pub(crate) use df_func::{DfScalarFunction, RawDfScalarFn};
@@ -85,16 +85,18 @@ impl Default for Batch {
 }

 impl Batch {
-    pub fn try_from_rows(rows: Vec<crate::repr::Row>) -> Result<Self, EvalError> {
+    /// Get batch from rows, will try best to determine data type
+    pub fn try_from_rows_with_types(
+        rows: Vec<crate::repr::Row>,
+        batch_datatypes: &[ConcreteDataType],
+    ) -> Result<Self, EvalError> {
        if rows.is_empty() {
            return Ok(Self::empty());
        }
        let len = rows.len();
-        let mut builder = rows
-            .first()
-            .unwrap()
+        let mut builder = batch_datatypes
            .iter()
-            .map(|v| v.data_type().create_mutable_vector(len))
+            .map(|ty| ty.create_mutable_vector(len))
            .collect_vec();
        for row in rows {
            ensure!(
@@ -221,10 +223,25 @@ impl Batch {
            return Ok(());
        }

-        let dts = if self.batch.is_empty() {
-            other.batch.iter().map(|v| v.data_type()).collect_vec()
-        } else {
-            self.batch.iter().map(|v| v.data_type()).collect_vec()
+        let dts = {
+            let max_len = self.batch.len().max(other.batch.len());
+            let mut dts = Vec::with_capacity(max_len);
+            for i in 0..max_len {
+                if let Some(v) = self.batch().get(i)
+                    && !v.data_type().is_null()
+                {
+                    dts.push(v.data_type())
+                } else if let Some(v) = other.batch().get(i)
+                    && !v.data_type().is_null()
+                {
+                    dts.push(v.data_type())
+                } else {
+                    // both are null, so we will push null type
+                    dts.push(datatypes::prelude::ConcreteDataType::null_datatype())
+                }
+            }
+
+            dts
        };

        let batch_builders = dts
--- a/Show More
+++ b/Show More
Author	SHA1	Message	Date
luofucong	1e37847f48	x	2025-01-02 15:21:29 +08:00
chenmortal	2b89970d45	fix: import tokio-metrics and tokio-metrics-collector (#5264 )	2025-01-02 05:58:31 +00:00
Ning Sun	53d006292d	fix: correct invalid testing feature gate usage (#5258 ) * fix: correct invalid testing feature gate usage * test: refactor tests to avoid test code leak * fix: sync main	2025-01-02 03:22:54 +00:00
discord9	d18c8b5e16	chore: typo (#5265 ) * fix: a typo * chore: even more typos	2025-01-02 03:17:53 +00:00
jeremyhi	e0949c4a11	feat: hints all in one (#5194 ) * feat: hints all in one * chore: If hints are provided in the x-greptime-hints header, ignore the rest of the headers	2025-01-02 02:56:33 +00:00
Ruihang Xia	5cf931c417	feat(log-query): implement pagination with limit and offset parameters (#5241 ) Signed-off-by: Ruihang Xia <waynestxia@gmail.com>	2024-12-31 06:42:46 +00:00
Ning Sun	cc5b1d42b0	ci: disable pyo3 build tasks (#5256 ) * ci: disable pyo3 build tasks * ci: skip installing python for windows * ci: also removed python dependencies from docker base image	2024-12-31 04:53:41 +00:00
Ruihang Xia	55b7656956	feat: override `__sequence` on creating SST to save space and CPU (#5252 ) * override memtable sequence Signed-off-by: Ruihang Xia <waynestxia@gmail.com> * override sst sequence Signed-off-by: Ruihang Xia <waynestxia@gmail.com> * chore changes per to CR comments Signed-off-by: Ruihang Xia <waynestxia@gmail.com> * use correct sequence number Signed-off-by: Ruihang Xia <waynestxia@gmail.com> * wrap a method to get max sequence Signed-off-by: Ruihang Xia <waynestxia@gmail.com> * fix typo Signed-off-by: Ruihang Xia <waynestxia@gmail.com> --------- Signed-off-by: Ruihang Xia <waynestxia@gmail.com>	2024-12-31 03:28:02 +00:00
Yingwen	75e4f307c9	feat: update partition duration of memtable using compaction window (#5197 ) * feat: update partition duration of memtable using compaction window * chore: only use provided duration if it is not None * test: more tests * test: test compaction apply window * style: fix clippy	2024-12-30 13:06:25 +00:00
Yohan Wal	89f2e15ffb	feat: add election logic for PgElection (#5249 ) * feat: init PgElection * fix: release advisory lock * fix: handle duplicate keys * chore: update comments * fix: unlock if acquired the lock * chore: add TODO and avoid unwrap * refactor: check both lock and expire time, add more comments * test: add unit test for pg election * chore: fmt * chore: typo * fix: add feature gate * chore: visibility * chore: follow review comments	2024-12-30 09:45:04 +00:00
zyy17	13ed10556a	refactor: support to convert time string to timestamp in `convert_value()` (#5242 ) refactor: support to covert time string to timestamp in convert_value()	2024-12-30 08:36:08 +00:00
Lin Yihai	d1108ab581	feat: add `vec_div` function (#5245 )	2024-12-30 07:08:26 +00:00
Ning Sun	1287d4cb9f	ci: make sure clippy passes before running tests (#5253 ) * ci: make sure clippy passes before running tests * ci: do not run ci on main branch	2024-12-30 07:01:15 +00:00
Zhenchi	109fe04d17	fix(bloom-filter): skip applying for non-indexed columns (#5246 ) Signed-off-by: Zhenchi <zhongzc_arch@outlook.com>	2024-12-30 06:56:58 +00:00
Yingwen	f1eb76f489	fix: implement a CacheStrategy to ensure compaction use cache correctly (#5254 ) * feat: impl CacheStrategy * refactor: replace Option<CacheManagerRef> with CacheStrategy * feat: add disabled strategy * ci: force update taplo * refactor: rename CacheStrategy::Normal to CacheStrategy::EnableAll * ci: force install cargo-gc-bin * ci: force install * chore: use CacheStrategy::Disabled as ScanInput default * chore: fix compiler errors	2024-12-30 06:24:53 +00:00
Ruihang Xia	11bab0c47c	feat: add sqlness test for bloom filter index (#5240 ) * feat: add sqlness test for bloom filter index Signed-off-by: Ruihang Xia <waynestxia@gmail.com> * drop table after finished Signed-off-by: Ruihang Xia <waynestxia@gmail.com> * redact more variables Signed-off-by: Ruihang Xia <waynestxia@gmail.com> --------- Signed-off-by: Ruihang Xia <waynestxia@gmail.com>	2024-12-27 06:40:18 +00:00
shuiyisong	588f6755f0	fix: disable path label in opendal for now (#5247 ) * fix: remove path label in opendal for now * fix: typo Co-authored-by: Ruihang Xia <waynestxia@gmail.com> --------- Co-authored-by: Ruihang Xia <waynestxia@gmail.com>	2024-12-27 04:34:19 +00:00
Kould	dad8ac6f71	feat(vector): add vector functions `vec_sub` & `vec_sum` & `vec_elem_sum` (#5230 ) * feat(vector): add sub function * chore: added check for vector length misalignment * feat(vector): add `vec_sum` & `vec_elem_sum` * chore: codefmt * update lock file Signed-off-by: Ruihang Xia <waynestxia@gmail.com> --------- Signed-off-by: Ruihang Xia <waynestxia@gmail.com> Co-authored-by: Ruihang Xia <waynestxia@gmail.com>	2024-12-26 15:07:13 +00:00
Yohan Wal	ef13c52814	feat: init PgElection with candidate registration (#5209 ) * feat: init PgElection fix: release advisory lock fix: handle duplicate keys chore: update comments fix: unlock if acquired the lock chore: add TODO and avoid unwrap refactor: check both lock and expire time, add more comments chore: fmt fix: deal with multiple edge cases feat: init PgElection with candidate registration chore: fmt chore: remove * test: add unit test for pg candidate registration * test: add unit test for pg candidate registration * chore: update pg env * chore: make ci happy * fix: spawn a background connection thread * chore: typo * fix: shadow the election client for now * fix: fix ci * chore: readability * chore: follow review comments * refactor: use kvbackend for pg election * chore: rename * chore: make clippy happy * refactor: use pg server time instead of local ones * chore: typo * chore: rename infancy to leader_infancy for clarification * chore: clean up * chore: follow review comments * chore: follow review comments * ci: unit test should test all features * ci: fix * ci: just test pg	2024-12-26 12:39:32 +00:00
Zhenchi	7471f55c2e	feat(mito): add bloom filter read metrics (#5239 ) Signed-off-by: Zhenchi <zhongzc_arch@outlook.com>	2024-12-26 04:44:03 +00:00
Zhenchi	f4b2d393be	feat(config): add bloom filter config (#5237 ) * feat(bloom-filter): integrate indexer with mito2 Signed-off-by: Zhenchi <zhongzc_arch@outlook.com> * feat(config) add bloom filter config Signed-off-by: Zhenchi <zhongzc_arch@outlook.com> * fix Signed-off-by: Zhenchi <zhongzc_arch@outlook.com> * fix docs Signed-off-by: Zhenchi <zhongzc_arch@outlook.com> * address comments Signed-off-by: Zhenchi <zhongzc_arch@outlook.com> * fix docs Signed-off-by: Zhenchi <zhongzc_arch@outlook.com> * merge Signed-off-by: Zhenchi <zhongzc_arch@outlook.com> * remove cache config Signed-off-by: Zhenchi <zhongzc_arch@outlook.com> --------- Signed-off-by: Zhenchi <zhongzc_arch@outlook.com>	2024-12-26 04:38:45 +00:00
localhost	0cf44e1e47	chore: add more info for pipeline dryrun API (#5232 )	2024-12-26 03:06:25 +00:00
Ruihang Xia	00ad27dd2e	feat(bloom-filter): bloom filter applier (#5220 ) * wip Signed-off-by: Ruihang Xia <waynestxia@gmail.com> * draft search logic Signed-off-by: Ruihang Xia <waynestxia@gmail.com> * use defined BloomFilterReader Signed-off-by: Ruihang Xia <waynestxia@gmail.com> * fix clippy Signed-off-by: Ruihang Xia <waynestxia@gmail.com> * round the range end Signed-off-by: Ruihang Xia <waynestxia@gmail.com> * finish index applier Signed-off-by: Ruihang Xia <waynestxia@gmail.com> * integrate applier into mito2 with cache layer Signed-off-by: Ruihang Xia <waynestxia@gmail.com> * fix cache key and add unit test Signed-off-by: Ruihang Xia <waynestxia@gmail.com> * provide bloom filter index size hint Signed-off-by: Ruihang Xia <waynestxia@gmail.com> * revert BloomFilterReaderImpl::read_vec Signed-off-by: Ruihang Xia <waynestxia@gmail.com> * remove dead code Signed-off-by: Ruihang Xia <waynestxia@gmail.com> * ignore null on eq Signed-off-by: Ruihang Xia <waynestxia@gmail.com> * add more tests and fix bloom filter logic Signed-off-by: Ruihang Xia <waynestxia@gmail.com> --------- Signed-off-by: Ruihang Xia <waynestxia@gmail.com>	2024-12-26 02:51:18 +00:00
discord9	5ba8bd09fb	fix: flow compare null values (#5234 ) * fix: flow compare null values * fix: fix again ck ty before cmp * chore: rm comment * fix: handle null * chore: typo * docs: update comment * refactor: per review * tests: more sqlness * tests: sqlness not show create table	2024-12-25 15:31:27 +00:00
Zhenchi	a9f21915ef	feat(bloom-filter): integrate indexer with mito2 (#5236 ) * feat(bloom-filter): integrate indexer with mito2 Signed-off-by: Zhenchi <zhongzc_arch@outlook.com> * rename skippingindextype Signed-off-by: Zhenchi <zhongzc_arch@outlook.com> * address comments Signed-off-by: Zhenchi <zhongzc_arch@outlook.com> --------- Signed-off-by: Zhenchi <zhongzc_arch@outlook.com>	2024-12-25 14:30:07 +00:00
Lin Yihai	039989f77b	feat: Add `vec_mul` function. (#5205 )	2024-12-25 14:17:22 +00:00
discord9	abf34b845c	feat(flow): check sink table mismatch on flow creation (#5112 ) * tests: more mismatch errors * feat: check sink table schema if exists&prompt nice err msg * chore: rm unused variant * chore: fmt * chore: cargo clippy * feat: check schema on create * feat: better err msg when mismatch * tests: fix a schema mismatch * todo: create sink table * feat: create sink table * fix: find time index * tests: auto created sink table * fix: remove empty keys * refactor: per review * chore: fmt * test: sqlness * chore: after rebase	2024-12-25 13:42:37 +00:00
Ruihang Xia	4051be4214	feat: add some critical metrics to flownode (#5235 ) * feat: add some critical metrics to flownode Signed-off-by: Ruihang Xia <waynestxia@gmail.com> * fix clippy Signed-off-by: Ruihang Xia <waynestxia@gmail.com> --------- Signed-off-by: Ruihang Xia <waynestxia@gmail.com>	2024-12-25 10:57:21 +00:00
zyy17	5e88c80394	feat: introduce the Limiter in frontend to limit the requests by in-flight write bytes size. (#5231 ) feat: introduct Limiter to limit in-flight write bytes size in frontend	2024-12-25 09:11:30 +00:00
discord9	6a46f391cc	ci: upload .pdb files too for better windows debug (#5224 ) ci: upload .pdb files too	2024-12-25 08:10:57 +00:00
Zhenchi	c96903e60c	feat(bloom-filter): impl batch push to creator (#5225 ) Signed-off-by: Zhenchi <zhongzc_arch@outlook.com>	2024-12-25 07:53:53 +00:00
Ruihang Xia	a23f269bb1	fix: correct write cache's metric labels (#5227 ) * refactor: remove unused field in WriteCache Signed-off-by: Ruihang Xia <waynestxia@gmail.com> * refactor: unify read and write cache path Signed-off-by: Ruihang Xia <waynestxia@gmail.com> * update config and fix clippy Signed-off-by: Ruihang Xia <waynestxia@gmail.com> * remove unnecessary methods and adapt test Signed-off-by: Ruihang Xia <waynestxia@gmail.com> * change the default path Signed-off-by: Ruihang Xia <waynestxia@gmail.com> * remove remote-home Signed-off-by: Ruihang Xia <waynestxia@gmail.com> --------- Signed-off-by: Ruihang Xia <waynestxia@gmail.com>	2024-12-25 07:26:21 +00:00
Weny Xu	f33b378e45	chore: add log for converting region to follower (#5222 ) * chore: add log for converting region to follower * chore: apply suggestions from CR	2024-12-25 02:38:47 +00:00
zyy17	267941bbb5	ci: support to pack multiple files in upload-artifacts action (#5228 )	2024-12-25 02:37:32 +00:00
Lei, HUANG	074846bbc2	feat(mito): parquet memtable reader (#4967 ) * wip: row group reader base * wip: memtable row group reader * Refactor MemtableRowGroupReader to streamline data fetching - Added early return when fetch_ranges is empty to optimize performance. - Replaced inline chunk data assignment with a call to `assign_dense_chunk` for cleaner code. * wip: row group reader * wip: reuse RowGroupReader * wip: bulk part reader * Enhance BulkPart Iteration with Filtering - Introduced `RangeBase` to `BulkIterContext` for improved filter handling. - Implemented filter application in `BulkPartIter` to prune batches based on predicates. - Updated `SimpleFilterContext::new_opt` to be public for broader access. * chore: add prune test * fix: clippy * fix: introduce prune reader for memtable and add more prune test * Enhance BulkPart read method to return Option<BoxedBatchIterator> - Modified `BulkPart::read` to return `Option<BoxedBatchIterator>` to handle cases where no row groups are selected. - Added logic to return `None` when all row groups are filtered out. - Updated tests to handle the new return type and added a test case to verify behavior when no row groups match the pr * refactor/separate-paraquet-reader: Add helper function to parse parquet metadata and integrate it into BulkPartEncoder * refactor/separate-paraquet-reader: Change BulkPartEncoder row_group_size from Option to usize and update tests * refactor/separate-paraquet-reader: Add context module for bulk memtable iteration and refactor part reading • Introduce context module to encapsulate context for bulk memtable iteration. • Refactor BulkPart to use BulkIterContextRef for reading operations. • Remove redundant code in BulkPart by centralizing context creation and row group pruning logic in the new context module. • Create new file context.rs with structures and logic for handling iteration context. • Adjust part_reader.rs and row_group_reader.rs to reference the new BulkIterContextRef. * refactor/separate-paraquet-reader: Refactor RowGroupReader traits and implementations in memtable and parquet reader modules • Rename RowGroupReaderVirtual to RowGroupReaderContext for clarity. • Replace BulkPartVirt with direct usage of BulkIterContextRef in MemtableRowGroupReader. • Simplify MemtableRowGroupReaderBuilder by directly passing context instead of creating a BulkPartVirt instance. • Update RowGroupReaderBase to use context field instead of virt, reflecting the trait renaming and usage. • Modify FileRangeVirt to FileRangeContextRef and adjust implementations accordingly. * refactor/separate-paraquet-reader: Refactor column page reader creation and remove unused code • Centralize creation of SerializedPageReader in RowGroupBase::column_reader method. • Remove unused RowGroupCachedReader and related code from MemtableRowGroupPageFetcher. • Eliminate redundant error handling for invalid column index in multiple places. * chore: rebase main and resolve conflicts * fix: some comments * chore: resolve conflicts * chore: resolve conflicts	2024-12-24 09:59:26 +00:00
Ruihang Xia	88d46a38ae	chore: bump opendal to fork version to fix prometheus layer (#5223 ) Signed-off-by: Ruihang Xia <waynestxia@gmail.com>	2024-12-24 08:54:59 +00:00
Weny Xu	de0beabf34	refactor: remove unnecessary wrap (#5221 ) * chore: remove unnecessary arc * chore: remove unnecessary box	2024-12-24 08:43:14 +00:00
Ruihang Xia	68dd2916fb	feat: logs query endpoint (#5202 ) * define endpoint Signed-off-by: Ruihang Xia <waynestxia@gmail.com> * planner Signed-off-by: Ruihang Xia <waynestxia@gmail.com> * update lock file Signed-off-by: Ruihang Xia <waynestxia@gmail.com> * add unit test Signed-off-by: Ruihang Xia <waynestxia@gmail.com> * fix toml format Signed-off-by: Ruihang Xia <waynestxia@gmail.com> * revert metric change Signed-off-by: Ruihang Xia <waynestxia@gmail.com> * Update src/query/src/log_query/planner.rs Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com> * fix compile Signed-off-by: Ruihang Xia <waynestxia@gmail.com> * refactor and tests Signed-off-by: Ruihang Xia <waynestxia@gmail.com> --------- Signed-off-by: Ruihang Xia <waynestxia@gmail.com> Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>	2024-12-24 06:21:19 +00:00
Zhenchi	d51b65a8bf	feat(index-cache): abstract `IndexCache` to be shared by multi types of indexes (#5219 ) * feat(index-cache): abstract `IndexCache` to be shared by multi types of indexes Signed-off-by: Zhenchi <zhongzc_arch@outlook.com> * fix typo Signed-off-by: Zhenchi <zhongzc_arch@outlook.com> * fix: remove added label Signed-off-by: Zhenchi <zhongzc_arch@outlook.com> * refactor: simplify cached reader impl Signed-off-by: Zhenchi <zhongzc_arch@outlook.com> * rename func Signed-off-by: Zhenchi <zhongzc_arch@outlook.com> --------- Signed-off-by: Zhenchi <zhongzc_arch@outlook.com>	2024-12-24 05:10:30 +00:00
zyy17	2082c4b6e4	docs: add greptimedb-operator project link in 'Tools & Extensions' and other small improvements (#5216 )	2024-12-24 03:09:41 +00:00
Ning Sun	c623404fff	ci: fix nightly ci task on nix build (#5198 )	2024-12-21 10:09:32 +00:00
Yingwen	fa3b7ed5ea	build: use 8xlarge as arm default (#5214 )	2024-12-21 08:39:24 +00:00
Yiran	8ece853076	fix: dead links (#5212 )	2024-12-20 12:01:57 +00:00
Zhenchi	4245bff8f2	feat(bloom-filter): add bloom filter reader (#5204 ) * feat(bloom-filter): add bloom filter reader Signed-off-by: Zhenchi <zhongzc_arch@outlook.com> * chore: remove unused dep Signed-off-by: Zhenchi <zhongzc_arch@outlook.com> * fix conflict Signed-off-by: Zhenchi <zhongzc_arch@outlook.com> * address comments Signed-off-by: Zhenchi <zhongzc_arch@outlook.com> --------- Signed-off-by: Zhenchi <zhongzc_arch@outlook.com>	2024-12-20 08:29:18 +00:00
Zhenchi	3d4121aefb	feat(bloom-filter): add memory control for creator (#5185 ) * feat(bloom-filter): add memory control for creator Signed-off-by: Zhenchi <zhongzc_arch@outlook.com> * refactor: remove meaningless buf Signed-off-by: Zhenchi <zhongzc_arch@outlook.com> * feat: add codec for intermediate Signed-off-by: Zhenchi <zhongzc_arch@outlook.com> --------- Signed-off-by: Zhenchi <zhongzc_arch@outlook.com>	2024-12-20 06:59:44 +00:00
Weny Xu	1910d71cb3	chore: adjust fuzz tests cfg (#5207 )	2024-12-20 06:58:51 +00:00
LFC	a578eea801	ci: install latest protobuf in dev-builder image (#5196 )	2024-12-20 02:45:53 +00:00
discord9	6bf574f098	fix: auto created table ttl check (#5203 ) * fix: auto created table ttl check * tests: with hint	2024-12-19 11:23:01 +00:00
discord9	a4d61bcaf1	fix(flow): batch builder with type (#5195 ) * fix: typed builder * chore: clippy * chore: rename * fix: unit tests * refactor: per review	2024-12-19 09:16:56 +00:00
dennis zhuang	7ea8a44d3a	chore: update PR template (#5199 )	2024-12-19 08:28:20 +00:00
discord9	2d6f63a504	feat: show flow's mem usage in INFORMATION_SCHEMA.FLOWS (#4890 ) * feat: add flow mem size to sys table * chore: rm dup def * chore: remove unused variant * chore: minor refactor * refactor: per review	2024-12-19 08:24:04 +00:00