metrics: fix the residual label (#4824) (#4831)

ref #4824, close #4825 Signed-off-by: Ryan Leung <[email protected]> Co-authored-by: Ryan Leung <[email protected]>
tikv · May 27, 2022 · b73b12d · b73b12d
1 parent b99630d
commit b73b12d
Showing 1 changed file with 2 additions and 0 deletions.
diff --git a/server/statistics/store_collection.go b/server/statistics/store_collection.go
@@ -138,6 +138,8 @@ func (s *storeStatistics) Observe(store *core.StoreInfo, stats *StoresStats) {
 }
 
 func (s *storeStatistics) Collect() {
+	placementStatusGauge.Reset()
+
 	metrics := make(map[string]float64)
 	metrics["store_up_count"] = float64(s.Up)
 	metrics["store_disconnected_count"] = float64(s.Disconnect)