* feat/bridge-bulk-insert:
## Implement Bulk Insert and Update Dependencies
- **Bulk Insert Implementation**: Added `handle_bulk_inserts` method in `src/operator/src/bulk_insert.rs` to manage bulk insert requests using `FlightDecoder` and `FlightData`.
- **Dependency Updates**: Updated `Cargo.lock` and `Cargo.toml` to use the latest revision of `greptime-proto` and added new dependencies like `arrow`, `arrow-ipc`, `bytes`, and `prost`.
- **gRPC Enhancements**: Modified `put_record_batch` method in `src/frontend/src/instance/grpc.rs` and `src/servers/src/grpc/flight.rs` to handle `FlightData` instead of `RawRecordBatch`.
- **Error Handling**: Added new error types in `src/operator/src/error.rs` for handling Arrow operations and decoding flight data.
- **Miscellaneous**: Updated `src/operator/src/insert.rs` to expose `partition_manager` and `node_manager` as public fields.
* feat/bridge-bulk-insert:
- **Update `greptime-proto` Dependency**: Updated the `greptime-proto` dependency to a new revision in `Cargo.lock` and `Cargo.toml`.
- **Refactor gRPC Query Handling**: Removed `RawRecordBatch` usage from `grpc.rs`, `flight.rs`, `greptime_handler.rs`, and test files, simplifying the gRPC query handling.
- **Enhance Bulk Insert Logic**: Improved bulk insert logic in `bulk_insert.rs` and `region_request.rs` by using `FlightDecoder` and `BooleanArray` for better performance and clarity.
- **Add `common-grpc` Dependency**: Added `common-grpc` as a workspace dependency in `store-api/Cargo.toml` to support gRPC functionalities.
* fix: clippy
* fix schema serialization
* feat/bridge-bulk-insert:
Add error handling for encoding/decoding in `metadata.rs` and `region_request.rs`
- Introduced new error variants `FlightCodec` and `Prost` in `MetadataError` to handle encoding/decoding failures in `metadata.rs`.
- Updated `make_region_bulk_inserts` function in `region_request.rs` to use `context` for error handling with `ProstSnafu` and `FlightCodecSnafu`.
- Enhanced error handling for `FlightData` decoding and `filter_record_batch` operations.
* fix: test
* refactor: rename
* allow empty app_metadata in FlightData
* feat/bridge-bulk-insert:
- **Remove Logging**: Removed unnecessary logging of affected rows in `region_server.rs`.
- **Error Handling Enhancement**: Improved error handling in `bulk_insert.rs` by adding context to `split_record_batch` and handling single datanode fast path.
- **Error Enum Cleanup**: Removed unused `Arrow` error variant from `error.rs`.
* fix: standalone test
* feat/bridge-bulk-insert:
### Enhance Bulk Insert Handling and Metadata Management
- **`lib.rs`**: Enabled the `result_flattening` feature for improved error handling.
- **`request.rs`**: Made `name_to_index` and `has_null` fields public in `WriteRequest` for better accessibility.
- **`handle_bulk_insert.rs`**:
- Added `handle_record_batch` function to streamline processing of bulk insert payloads.
- Improved error handling and task management for bulk insert operations.
- Updated `region_metadata_to_column_schema` to return both column schemas and a name-to-index map for efficient data access.
* feat/bridge-bulk-insert:
- **Refactor `handle_bulk_insert.rs`:**
- Replaced `handle_record_batch` with `handle_payload` for handling payloads.
- Modified the fast path to use `common_runtime::spawn_global` for asynchronous task execution.
- **Optimize `multi_dim.rs`:**
- Added a fast path for single-region scenarios in `MultiDimPartitionRule::partition_record_batch`.
* feat/bridge-bulk-insert:
- **Update `greptime-proto` Dependency**: Updated the `greptime-proto` dependency to a new revision in both `Cargo.lock` and `Cargo.toml`.
- **Optimize Memory Allocation**: Increased initial and builder capacities in `time_series.rs` to improve performance.
- **Enhance Data Handling**: Modified `bulk_insert.rs` to use `Bytes` for efficient data handling.
- **Improve Bulk Insert Logic**: Refined the bulk insert logic in `region_request.rs` to handle schema and payload data more effectively and optimize record batch filtering.
- **String Handling Improvement**: Updated string conversion in `helper.rs` for better performance.
* fix: clippy warnings
* feat/bridge-bulk-insert:
**Add Metrics and Improve Error Handling**
- **Metrics Enhancements**: Introduced new metrics for bulk insert operations in `metrics.rs`, `bulk_insert.rs`, `greptime_handler.rs`, and `region_request.rs`. Added `HANDLE_BULK_INSERT_ELAPSED`, `BULK_REQUEST_MESSAGE_SIZE`, and `GRPC_BULK_INSERT_ELAPSED` histograms to
monitor performance.
- **Error Handling Improvements**: Removed unnecessary error handling in `handle_bulk_insert.rs` by eliminating redundant `let _ =` patterns.
- **Dependency Updates**: Added `lazy_static` and `prometheus` to `Cargo.lock` and `Cargo.toml` for metrics support.
- **Code Refactoring**: Simplified function calls in `region_server.rs` and `handle_bulk_insert.rs` for better readability.
* chore: rebase main
* implement simple bulk memtable
* impl write_bulk
* implement simple bulk memtable
* feat/simple-bulk-memtable:
### Enhance Time-Series Memtable and Bulk Insert Handling
- **Visibility Modifications**: Made `mutable_array` in `PrimitiveVectorBuilder` and `StringVectorBuilder` public in `primitive.rs` and `string.rs`.
- **New Module**: Added `builder.rs` to `memtable` for time-series builders, including `FieldBuilder` and `StringBuilder` implementations.
- **Bulk Insert Enhancements**:
- Added `sequence` field to `BulkPart` in `part.rs` and updated its handling in `simple_bulk_memtable.rs` and `region_write_ctx.rs`.
- Introduced metrics for bulk insert operations in `metrics.rs` and `bulk_insert.rs`.
- **Performance Metrics**: Added timing metrics for write operations in `metrics.rs`, `region_write_ctx.rs`, and `handle_write.rs`.
- **Region Request Handling**: Updated `make_region_bulk_inserts` in `region_request.rs` to include performance metrics.
* feat/simple-bulk-memtable:
**Improve Memtable Stats Calculation and Add Metrics Timer**
- **`simple_bulk_memtable.rs`**: Refactored `stats` method to use `num_rows` for checking if rows have been written, improving accuracy in memory table statistics.
- **`handle_bulk_insert.rs`**: Introduced a metrics timer to measure the elapsed time for processing bulk requests, enhancing performance monitoring.
* feat/simple-bulk-memtable:
### Commit Message
**Enhancements and Bug Fixes**
- **Dependency Update**: Updated `greptime-proto` dependency to a new revision in `Cargo.lock` and `Cargo.toml`.
- **Feature Addition**: Implemented `to_mutation` method in `BulkPart` to convert `BulkPart` to `Mutation` for fallback `write_bulk` implementation in `src/mito2/src/memtable/bulk/part.rs`.
- **Functionality Improvement**: Modified `write_bulk` method in `TimeSeriesMemtable` to support default implementation fallback to row iteration in `src/mito2/src/memtable/time_series.rs`.
- **Performance Optimization**: Enhanced `bulk_insert` handling by optimizing region request processing and data partitioning in `src/operator/src/bulk_insert.rs`.
- **Error Handling**: Added `ComputeArrow` error variant for better error management in `src/operator/src/error.rs`.
- **Code Refactoring**: Simplified region bulk insert request processing in `src/store-api/src/region_request.rs`.
* fix: some clippy warnings
* feat/simple-bulk-memtable:
### Commit Summary
- **Refactor Return Types to `Result`:**
Updated the return type of the `ranges` method in `memtable.rs`, `bulk.rs`, `partition_tree.rs`, `simple_bulk_memtable.rs`, `time_series.rs`, and `memtable_util.rs` to return `Result<MemtableRanges>` for better error handling.
- **Enhance Metrics Tracking:**
Improved metrics tracking by adding `num_rows` and `max_sequence` to `WriteMetrics` in `stats.rs`. Updated related methods in `partition_tree.rs`, `simple_bulk_memtable.rs`, `time_series.rs`, and `scan_region.rs` to utilize these metrics.
- **Remove Unused Imports:**
Cleaned up unused imports in `time_series.rs` to streamline the codebase.
* merge main
* remove useless error vairant
* use newer version of proto
* feat/simple-bulk-memtable:
Commit Message
Summary
Enhance FieldBuilder and StringBuilder functionality, add tests, and improve error handling.
Key Changes
• builder.rs:
• Added documentation for FieldBuilder methods.
• Renamed append_string_vector to append_vector in StringBuilder.
• simple_bulk_memtable.rs:
• Added new test cases for write_one, write_bulk, is_empty, stats, fork, and sequence_filter.
• time_series.rs:
• Improved error handling in ValueBuilder for type mismatches.
• memtable_util.rs:
• Removed unused imports and streamlined code.
These changes enhance the robustness and test coverage of the memtable components.
* feat/simple-bulk-memtable:
Improve Time Partition Matching Logic in `time_partition.rs`
- Enhanced the `write_bulk` method in `time_partition.rs` to improve the logic for matching partitions based on time ranges.
- Introduced a new mechanism to filter and select partitions that overlap with the record batch's timestamp range before writing.
* feat/simple-bulk-memtable:
Improve Metrics Handling in `bulk_insert.rs`
- Removed the `group_request_timer` and its associated metric observation to streamline the timing logic.
- Moved the `BULK_REQUEST_ROWS` metric observation to occur after filtering, ensuring accurate row count metrics.
* feat/simple-bulk-memtable:
**Enhance Stalled Requests Calculation and Update Metrics**
- **`worker.rs`**: Updated the `stalled_count` method to include both `reqs` and `bulk_reqs` in the calculation of stalled requests.
- **`bulk_insert.rs`**: Removed duplicate observation of `BULK_REQUEST_MESSAGE_SIZE` metric.
- **`metrics.rs`**: Changed the bucket strategy for `BULK_REQUEST_ROWS` from linear to exponential, improving the granularity of metrics collection.
* feat/simple-bulk-memtable:
**Refactor `StringVector` Usage and Update Method Signatures**
- **`src/datatypes/src/vectors/string.rs`**: Changed `StringVector`'s `array` field from public to private.
- **`src/mito2/src/memtable/builder.rs`**: Refactored `append_vector` method to `append_array`, updating its usage to work directly with `StringArray` instead of `StringVector`.
- **`src/mito2/src/memtable/time_series.rs`**: Updated `ValueBuilder` to handle `StringArray` directly, replacing `StringVector` usage with `StringArray` in the `FieldBuilder::String` case.
* feat/simple-bulk-memtable:
- **Refactor `PrimitiveVectorBuilder`**: Made `mutable_array` private in `src/datatypes/src/vectors/primitive.rs`.
- **Optimize `ValueBuilder`**: Replaced `UInt64VectorBuilder` and `UInt8VectorBuilder` with `Vec<u64>` and `Vec<u8>` for `sequence` and `op_type` in `src/mito2/src/memtable/time_series.rs`.
- **Improve Metrics Initialization**: Updated histogram bucket initialization to use `exponential_buckets` in `src/mito2/src/metrics.rs`.
* feat/simple-bulk-memtable:
Improve error handling in `simple_bulk_memtable.rs` and `time_series.rs`
- Enhanced error handling by using `OptionExt` for more concise error context management in `simple_bulk_memtable.rs` and `time_series.rs`.
- Replaced `ok_or` with `with_context` to streamline error context creation in both files.
* feat/simple-bulk-memtable:
**Enhance Time Partition Handling in `time_partition.rs`**
- Introduced `create_time_partition` function to streamline the creation of new time partitions, ensuring thread safety by acquiring a lock.
- Modified logic to handle cases where no matching time partitions exist, creating new partitions as needed.
- Updated `write_record_batch` and `write_one` methods to utilize the new partition creation logic, improving partition management and data writing efficiency.
* replace proto
* feat/simple-bulk-memtable:
Update `metrics.rs` to adjust the range of exponential buckets for bulk insert message rows from `10 ~ 1_000_000` to `10 ~ 100_000`.
Real-Time & Cloud-Native Observability Database
for metrics, logs, and traces
Delivers sub-second querying at PB scale and exceptional cost efficiency from edge to cloud.
- Introduction
- ⭐ Key Features
- Quick Comparison
- Architecture
- Try GreptimeDB
- Getting Started
- Build From Source
- Tools & Extensions
- Project Status
- Community
- License
- Commercial Support
- Contributing
- Acknowledgement
Introduction
GreptimeDB is an open-source, cloud-native database purpose-built for the unified collection and analysis of observability data (metrics, logs, and traces). Whether you’re operating on the edge, in the cloud, or across hybrid environments, GreptimeDB empowers real-time insights at massive scale — all in one system.
Features
| Feature | Description |
|---|---|
| Unified Observability Data | Store metrics, logs, and traces as timestamped, contextual wide events. Query via SQL, PromQL, and streaming. |
| High Performance & Cost Effective | Written in Rust, with a distributed query engine, rich indexing, and optimized columnar storage, delivering sub-second responses at PB scale. |
| Cloud-Native Architecture | Designed for Kubernetes, with compute/storage separation, native object storage (AWS S3, Azure Blob, etc.) and seamless cross-cloud access. |
| Developer-Friendly | Access via SQL/PromQL interfaces, REST API, MySQL/PostgreSQL protocols, and popular ingestion protocols. |
| Flexible Deployment | Deploy anywhere: edge (including ARM/Android) or cloud, with unified APIs and efficient data sync. |
Learn more in Why GreptimeDB and Observability 2.0 and the Database for It.
Quick Comparison
| Feature | GreptimeDB | Traditional TSDB | Log Stores |
|---|---|---|---|
| Data Types | Metrics, Logs, Traces | Metrics only | Logs only |
| Query Language | SQL, PromQL, Streaming | Custom/PromQL | Custom/DSL |
| Deployment | Edge + Cloud | Cloud/On-prem | Mostly central |
| Indexing & Performance | PB-Scale, Sub-second | Varies | Varies |
| Integration | REST, SQL, Common protocols | Varies | Varies |
Performance:
Read more benchmark reports.
Architecture
- Read the architecture document.
- DeepWiki provides an in-depth look at GreptimeDB:

Try GreptimeDB
1. Live Demo
Experience GreptimeDB directly in your browser.
2. GreptimeCloud
Start instantly with a free cluster.
3. Docker (Local Quickstart)
docker pull greptime/greptimedb
docker run -p 127.0.0.1:4000-4003:4000-4003 \
-v "$(pwd)/greptimedb:/greptimedb_data" \
--name greptime --rm \
greptime/greptimedb:latest standalone start \
--http-addr 0.0.0.0:4000 \
--rpc-bind-addr 0.0.0.0:4001 \
--mysql-addr 0.0.0.0:4002 \
--postgres-addr 0.0.0.0:4003
Dashboard: http://localhost:4000/dashboard
Full Install Guide
Troubleshooting:
- Cannot connect to the database? Ensure that ports
4000,4001,4002, and4003are not blocked by a firewall or used by other services. - Failed to start? Check the container logs with
docker logs greptimefor further details.
Getting Started
Build From Source
Prerequisites:
- Rust toolchain (nightly)
- Protobuf compiler (>= 3.15)
- C/C++ building essentials, including
gcc/g++/autoconfand glibc library (eg.libc6-devon Ubuntu andglibc-develon Fedora) - Python toolchain (optional): Required only if using some test scripts.
Build and Run:
make
cargo run -- standalone start
Tools & Extensions
- Kubernetes: GreptimeDB Operator
- Helm Charts: Greptime Helm Charts
- Dashboard: Web UI
- SDKs/Ingester: Go, Java, C++, Erlang, Rust, JS
- Grafana: Official Dashboard
Project Status
Status: Beta.
GA (v1.0): Targeted for mid 2025.
- Being used in production by early adopters
- Stable, actively maintained, with regular releases (version info)
- Suitable for evaluation and pilot deployments
For production use, we recommend using the latest stable release.
If you find this project useful, a ⭐ would mean a lot to us!

Community
We invite you to engage and contribute!
License
GreptimeDB is licensed under the Apache License 2.0.
Commercial Support
Running GreptimeDB in your organization?
We offer enterprise add-ons, services, training, and consulting.
Contact us for details.
Contributing
- Read our Contribution Guidelines.
- Explore Internal Concepts and DeepWiki.
- Pick up a good first issue and join the #contributors Slack channel.
Acknowledgement
Special thanks to all contributors! See AUTHORS.md.
- Uses Apache Arrow™ (memory model)
- Apache Parquet™ (file storage)
- Apache Arrow DataFusion™ (query engine)
- Apache OpenDAL™ (data access abstraction)
- etcd (meta service)
