From 4bfe02ec7fc1df88a1ccbdf41e4b1061cd78a25c Mon Sep 17 00:00:00 2001
From: localhost <xpaomian@gmail.com>
Date: Thu, 10 Jul 2025 20:33:06 +0800
Subject: [PATCH] chore: remove region id to reduce time series (#6506)

Signed-off-by: evenyag <realevenyag@gmail.com>
---
 src/datanode/src/metrics.rs       | 4 ++--
 src/datanode/src/region_server.rs | 5 ++---
 2 files changed, 4 insertions(+), 5 deletions(-)

diff --git a/src/datanode/src/metrics.rs b/src/datanode/src/metrics.rs
index 12ac482826..1b0e513375 100644
--- a/src/datanode/src/metrics.rs
+++ b/src/datanode/src/metrics.rs
@@ -27,14 +27,14 @@ lazy_static! {
     pub static ref HANDLE_REGION_REQUEST_ELAPSED: HistogramVec = register_histogram_vec!(
         "greptime_datanode_handle_region_request_elapsed",
         "datanode handle region request elapsed",
-        &[REGION_ID, REGION_REQUEST_TYPE]
+        &[REGION_REQUEST_TYPE]
     )
     .unwrap();
     /// The number of rows in region request received by region server, labeled with request type.
     pub static ref REGION_CHANGED_ROW_COUNT: IntCounterVec = register_int_counter_vec!(
         "greptime_datanode_region_changed_row_count",
         "datanode region changed row count",
-        &[REGION_ID, REGION_REQUEST_TYPE]
+        &[REGION_REQUEST_TYPE]
     )
     .unwrap();
     /// The elapsed time since the last received heartbeat.
diff --git a/src/datanode/src/region_server.rs b/src/datanode/src/region_server.rs
index 2f3530721a..2aa4f2e80b 100644
--- a/src/datanode/src/region_server.rs
+++ b/src/datanode/src/region_server.rs
@@ -915,9 +915,8 @@ impl RegionServerInner {
         request: RegionRequest,
     ) -> Result<RegionResponse> {
         let request_type = request.request_type();
-        let region_id_str = region_id.to_string();
         let _timer = crate::metrics::HANDLE_REGION_REQUEST_ELAPSED
-            .with_label_values(&[&region_id_str, request_type])
+            .with_label_values(&[request_type])
             .start_timer();
 
         let region_change = match &request {
@@ -957,7 +956,7 @@ impl RegionServerInner {
                 // Update metrics
                 if matches!(region_change, RegionChange::Ingest) {
                     crate::metrics::REGION_CHANGED_ROW_COUNT
-                        .with_label_values(&[&region_id_str, request_type])
+                        .with_label_values(&[request_type])
                         .inc_by(result.affected_rows as u64);
                 }
                 // Sets corresponding region status to ready.