fix: histogram could measure up to 10 seconds of consumption lag, needs exponential buckets (#16897)

2 months ago · 3986b86ea0
parent 276e510923
commit 3986b86ea0
1 changed files with 1 additions and 1 deletions
--- a/pkg/limits/ingest_limits.go
+++ b/pkg/limits/ingest_limits.go
@ -81,7 +81,7 @@ func newMetrics(reg prometheus.Registerer) *metrics {
 			NativeHistogramBucketFactor:     1.1,
 			NativeHistogramMinResetDuration: 1 * time.Hour,
 			NativeHistogramMaxBucketNumber:  100,
-			Buckets:                         prometheus.DefBuckets,
+			Buckets:                         prometheus.ExponentialBuckets(0.125, 2, 18),
 		}),
 		kafkaReadBytesTotal: promauto.With(reg).NewCounter(prometheus.CounterOpts{
 			Namespace: constants.Loki,