diff --git a/.github/actions/setup-greptimedb-cluster/action.yml b/.github/actions/setup-greptimedb-cluster/action.yml
index d2f003073e..6e0bd2f09b 100644
--- a/.github/actions/setup-greptimedb-cluster/action.yml
+++ b/.github/actions/setup-greptimedb-cluster/action.yml
@@ -24,6 +24,8 @@ inputs:
     description: "Etcd endpoints"
   values-filename:
     default: "with-minio.yaml"
+  base-values-filename:
+    default: "with-observability.yaml"
   enable-region-failover:
     default: false
 
@@ -49,6 +51,9 @@ runs:
   - name: Install GreptimeDB cluster
     shell: bash
     run: |
+      BASE_VALUES="./.github/actions/setup-greptimedb-cluster/${{ inputs.base-values-filename }}"
+      SCENARIO_VALUES="./.github/actions/setup-greptimedb-cluster/${{ inputs.values-filename }}"
+
       helm upgrade \
         --install my-greptimedb \
         --set 'meta.backendStorage.etcd.endpoints[0]=${{ inputs.etcd-endpoints }}' \
@@ -66,7 +71,8 @@ runs:
         greptime/greptimedb-cluster \
         --create-namespace \
         -n my-greptimedb \
-        --values ./.github/actions/setup-greptimedb-cluster/${{ inputs.values-filename }} \
+        --values "${BASE_VALUES}" \
+        --values "${SCENARIO_VALUES}" \
         --wait \
         --wait-for-jobs
   - name: Wait for GreptimeDB
diff --git a/.github/actions/setup-greptimedb-cluster/with-observability.yaml b/.github/actions/setup-greptimedb-cluster/with-observability.yaml
new file mode 100644
index 0000000000..581f60dea6
--- /dev/null
+++ b/.github/actions/setup-greptimedb-cluster/with-observability.yaml
@@ -0,0 +1,28 @@
+tracing:
+  enabled: true
+  endpoint: "http://my-greptimedb-monitor-standalone.my-greptimedb:4000/v1/otlp/v1/traces"
+  sampleRatio: "1.0"
+
+monitoring:
+  enabled: true
+  standalone:
+    base:
+      main:
+        resources:
+          requests:
+            cpu: 50m
+            memory: 128Mi
+          limits:
+            cpu: 500m
+            memory: 256Mi
+      datanodeStorage:
+        fs:
+          storageSize: 5Gi
+  vector:
+    resources:
+      requests:
+        cpu: "50m"
+        memory: "64Mi"
+      limits:
+        cpu: "500m"
+        memory: "256Mi"
diff --git a/.github/scripts/collect-fuzz-monitor-artifacts.sh b/.github/scripts/collect-fuzz-monitor-artifacts.sh
new file mode 100755
index 0000000000..77f76537a3
--- /dev/null
+++ b/.github/scripts/collect-fuzz-monitor-artifacts.sh
@@ -0,0 +1,114 @@
+#!/usr/bin/env bash
+
+set -euo pipefail
+
+GT_FUZZ_NS="${GT_FUZZ_NS:-my-greptimedb}"
+GT_FUZZ_CLUSTER="${GT_FUZZ_CLUSTER:-my-greptimedb}"
+GT_MONITOR_HTTP_LOCAL_PORT="${GT_MONITOR_HTTP_LOCAL_PORT:-14000}"
+GT_MONITOR_ARTIFACT_DIR="${GT_MONITOR_ARTIFACT_DIR:-/tmp/fuzz-monitor-dumps}"
+GT_MONITOR_SERVER_EXPORT_DIR="${GT_MONITOR_SERVER_EXPORT_DIR:-/tmp/gt-monitor-dump}"
+
+MONITOR_SERVICE="${GT_FUZZ_CLUSTER}-monitor-standalone"
+MONITOR_POD="${GT_FUZZ_CLUSTER}-monitor-standalone-0"
+
+PORT_FORWARD_LOG="${GT_MONITOR_ARTIFACT_DIR}/port-forward.log"
+SQL_LOG="${GT_MONITOR_ARTIFACT_DIR}/sql.log"
+COPY_LOG="${GT_MONITOR_ARTIFACT_DIR}/copy.log"
+STATE_LOG="${GT_MONITOR_ARTIFACT_DIR}/state.log"
+
+log() {
+  printf '[collect-fuzz-monitor-artifacts] %s\n' "$*" | tee -a "${STATE_LOG}"
+}
+
+cleanup() {
+  if [ -n "${PORT_FORWARD_PID:-}" ]; then
+    kill "${PORT_FORWARD_PID}" >/dev/null 2>&1 || true
+  fi
+}
+
+exec_sql() {
+  local db="$1"
+  local sql="$2"
+  local output
+
+  log "execute sql on db=${db}: ${sql}"
+
+  output="$(curl -sS -G "http://127.0.0.1:${GT_MONITOR_HTTP_LOCAL_PORT}/v1/sql" \
+    --data-urlencode "db=${db}" \
+    --data-urlencode "sql=${sql}")"
+
+  printf '%s\n' "${output}" >>"${SQL_LOG}"
+
+  if printf '%s' "${output}" | grep -q '"error"'; then
+    log "sql failed: ${output}"
+    return 1
+  fi
+}
+
+export_show_create_table() {
+  local table="$1"
+  local output_file="${GT_MONITOR_ARTIFACT_DIR}/${table}.show_create_table.sql"
+  local output
+
+  log "export SHOW CREATE TABLE for ${table}"
+  output="$(curl -sS -G "http://127.0.0.1:${GT_MONITOR_HTTP_LOCAL_PORT}/v1/sql" \
+    --data-urlencode "db=public" \
+    --data-urlencode "sql=SHOW CREATE TABLE ${table};")"
+
+  printf '%s\n' "${output}" >>"${SQL_LOG}"
+
+  if printf '%s' "${output}" | grep -q '"error"'; then
+    log "show create table failed for ${table}: ${output}"
+    return 1
+  fi
+
+  printf '%s' "${output}" | python3 -c 'import json,sys; d=json.load(sys.stdin); print(d["output"][0]["records"]["rows"][0][1])' >"${output_file}"
+}
+
+mkdir -p "${GT_MONITOR_ARTIFACT_DIR}"
+rm -rf "${GT_MONITOR_ARTIFACT_DIR:?}/"*
+
+{
+  echo "namespace=${GT_FUZZ_NS}"
+  echo "cluster=${GT_FUZZ_CLUSTER}"
+  echo "service=${MONITOR_SERVICE}"
+  echo "pod=${MONITOR_POD}"
+  echo "http_port=${GT_MONITOR_HTTP_LOCAL_PORT}"
+} >"${STATE_LOG}"
+
+log "start port-forward service/${MONITOR_SERVICE} in namespace ${GT_FUZZ_NS}"
+kubectl port-forward "service/${MONITOR_SERVICE}" "${GT_MONITOR_HTTP_LOCAL_PORT}:4000" -n "${GT_FUZZ_NS}" >"${PORT_FORWARD_LOG}" 2>&1 &
+PORT_FORWARD_PID="$!"
+trap cleanup EXIT
+log "port-forward pid=${PORT_FORWARD_PID}"
+
+log "wait for port-forward bootstrap"
+for i in {1..30}; do
+  if curl -s --fail "http://127.0.0.1:${GT_MONITOR_HTTP_LOCAL_PORT}/health" &> /dev/null; then
+    log "port-forward is ready"
+    break
+  fi
+  if [ "$i" -eq 30 ]; then
+    log "Timed out waiting for port-forward to be ready."
+    exit 1
+  fi
+  sleep 1
+done
+
+log "ensure export dir exists in pod ${MONITOR_POD}"
+kubectl exec -n "${GT_FUZZ_NS}" "${MONITOR_POD}" -- mkdir -p "${GT_MONITOR_SERVER_EXPORT_DIR}" >>"${COPY_LOG}" 2>&1
+
+export_show_create_table "_gt_logs"
+export_show_create_table "opentelemetry_traces"
+
+exec_sql "public" "COPY _gt_logs TO '${GT_MONITOR_SERVER_EXPORT_DIR}/_gt_logs.parquet' WITH (FORMAT='parquet');"
+exec_sql "public" "COPY opentelemetry_traces TO '${GT_MONITOR_SERVER_EXPORT_DIR}/opentelemetry_traces.parquet' WITH (FORMAT='parquet');"
+
+log "copy _gt_logs.parquet from pod"
+kubectl cp "${GT_FUZZ_NS}/${MONITOR_POD}:${GT_MONITOR_SERVER_EXPORT_DIR}/_gt_logs.parquet" "${GT_MONITOR_ARTIFACT_DIR}/_gt_logs.parquet" >>"${COPY_LOG}" 2>&1
+log "copy opentelemetry_traces.parquet from pod"
+kubectl cp "${GT_FUZZ_NS}/${MONITOR_POD}:${GT_MONITOR_SERVER_EXPORT_DIR}/opentelemetry_traces.parquet" "${GT_MONITOR_ARTIFACT_DIR}/opentelemetry_traces.parquet" >>"${COPY_LOG}" 2>&1
+
+ls -la "${GT_MONITOR_ARTIFACT_DIR}" >>"${STATE_LOG}" 2>&1
+
+log "artifacts collected under ${GT_MONITOR_ARTIFACT_DIR}"
diff --git a/.github/workflows/develop.yml b/.github/workflows/develop.yml
index 8b39acd99b..c258eae3b2 100644
--- a/.github/workflows/develop.yml
+++ b/.github/workflows/develop.yml
@@ -430,6 +430,24 @@ jobs:
           name: fuzz-tests-kind-logs-${{ matrix.mode.name }}-${{ matrix.target }}
           path: /tmp/kind
           retention-days: 3
+      - name: Collect monitor dumps
+        if: failure()
+        shell: bash
+        env:
+          GT_FUZZ_NS: my-greptimedb
+          GT_FUZZ_CLUSTER: my-greptimedb
+          GT_MONITOR_HTTP_LOCAL_PORT: 14000
+          GT_MONITOR_ARTIFACT_DIR: /tmp/fuzz-monitor-dumps
+        run: |
+          bash .github/scripts/collect-fuzz-monitor-artifacts.sh
+      - name: Upload monitor dumps
+        if: failure()
+        uses: actions/upload-artifact@v4
+        with:
+          name: fuzz-tests-monitor-dumps-${{ matrix.mode.name }}-${{ matrix.target }}
+          path: /tmp/fuzz-monitor-dumps
+          if-no-files-found: warn
+          retention-days: 3
       - name: Delete cluster
         if: success()
         shell: bash
@@ -584,6 +602,24 @@ jobs:
           name: fuzz-tests-kind-logs-${{ matrix.mode.name }}-${{ matrix.target }}
           path: /tmp/kind
           retention-days: 3
+      - name: Collect monitor dumps
+        if: failure()
+        shell: bash
+        env:
+          GT_FUZZ_NS: my-greptimedb
+          GT_FUZZ_CLUSTER: my-greptimedb
+          GT_MONITOR_HTTP_LOCAL_PORT: 14000
+          GT_MONITOR_ARTIFACT_DIR: /tmp/fuzz-monitor-dumps
+        run: |
+          bash .github/scripts/collect-fuzz-monitor-artifacts.sh          
+      - name: Upload monitor dumps
+        if: failure()
+        uses: actions/upload-artifact@v4
+        with:
+          name: fuzz-tests-monitor-dumps-${{ matrix.mode.name }}-${{ matrix.target }}
+          path: /tmp/fuzz-monitor-dumps
+          if-no-files-found: warn
+          retention-days: 3
       - name: Delete cluster
         if: success()
         shell: bash