Merge pull request #106306 from pawbana/change_bucketing_for_request_latency_metric

Changed buckets for apiserver_request_duration_seconds metric

staging/src/k8s.io/apiserver/pkg/endpoints/metrics/metrics.go

@@ -103,8 +103,8 @@ var (
 			// This metric is used for verifying api call latencies SLO,
 			// as well as tracking regressions in this aspects.
 			// Thus we customize buckets significantly, to empower both usecases.
-			Buckets: []float64{0.05, 0.1, 0.15, 0.2, 0.25, 0.3, 0.35, 0.4, 0.45, 0.5, 0.6, 0.7, 0.8, 0.9, 1.0,
+			Buckets: []float64{0.05, 0.1, 0.2, 0.4, 0.6, 0.8, 1.0, 1.25, 1.5, 2, 3,
-				1.25, 1.5, 1.75, 2.0, 2.5, 3.0, 3.5, 4.0, 4.5, 5, 6, 7, 8, 9, 10, 15, 20, 25, 30, 40, 50, 60},
+				4, 5, 6, 8, 10, 15, 20, 30, 45, 60},
 			StabilityLevel: compbasemetrics.STABLE,
 		},
 		[]string{"verb", "dry_run", "group", "version", "resource", "subresource", "scope", "component"},

test/instrumentation/testdata/stable-metrics-list.yaml

@@ -141,40 +141,24 @@
   buckets:
   - 0.05
   - 0.1
-  - 0.15
   - 0.2
-  - 0.25
-  - 0.3
-  - 0.35
   - 0.4
-  - 0.45
-  - 0.5
   - 0.6
-  - 0.7
   - 0.8
-  - 0.9
   - 1
   - 1.25
   - 1.5
-  - 1.75
   - 2
-  - 2.5
   - 3
-  - 3.5
   - 4
-  - 4.5
   - 5
   - 6
-  - 7
   - 8
-  - 9
   - 10
   - 15
   - 20
-  - 25
   - 30
-  - 40
+  - 45
-  - 50
   - 60
 - name: apiserver_request_total
   help: Counter of apiserver requests broken out for each verb, dry run value, group,