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feat: add metrics for region server (#2552)

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* feat: add metircs for region server

* fix: add comment and remove unused code
This commit is contained in:
JeremyHi
2023-10-10 15:40:16 +08:00
committed by GitHub
parent 6b39f5923d
commit ae95f23e05
3 changed files with 27 additions and 4 deletions
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6
src/datanode/src/metrics.rs
View File

@@ -14,5 +14,7 @@
//! datanode metrics
pub const HANDLE_SQL_ELAPSED: &str = "datanode.handle_sql_elapsed";
pub const HANDLE_PROMQL_ELAPSED: &str = "datanode.handle_promql_elapsed";
/// The elapsed time of handling a request in the region_server.
pub const HANDLE_REGION_REQUEST_ELAPSED: &str = "datanode.handle_region_request_elapsed";
/// Region request type label.
pub const REGION_REQUEST_TYPE: &str = "datanode.region_request_type";

8
src/datanode/src/region_server.rs
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@@ -28,7 +28,7 @@ use common_query::physical_plan::DfPhysicalPlanAdapter;
use common_query::{DfPhysicalPlan, Output};
use common_recordbatch::SendableRecordBatchStream;
use common_runtime::Runtime;
use common_telemetry::{info, warn};
use common_telemetry::{info, timer, warn};
use dashmap::DashMap;
use datafusion::catalog::schema::SchemaProvider;
use datafusion::catalog::{CatalogList, CatalogProvider};
@@ -227,7 +227,11 @@ impl RegionServerInner {
region_id: RegionId,
request: RegionRequest,
) -> Result<Output> {
// TODO(ruihang): add some metrics
let request_type = request.request_type();
let _timer = timer!(
crate::metrics::HANDLE_REGION_REQUEST_ELAPSED,
&[(crate::metrics::REGION_REQUEST_TYPE, request_type),]
);
let region_change = match &request {
RegionRequest::Create(create) => RegionChange::Register(create.engine.clone()),