From 22c25dd4e7b1f5fb0849a07a14142232951cf394 Mon Sep 17 00:00:00 2001 From: Gyuho Lee Date: Wed, 23 May 2018 12:14:43 -0700 Subject: [PATCH] mvcc/backend: document metrics ExponentialBuckets Signed-off-by: Gyuho Lee --- mvcc/backend/metrics.go | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/mvcc/backend/metrics.go b/mvcc/backend/metrics.go index 34a56a919..76fcb9cf2 100644 --- a/mvcc/backend/metrics.go +++ b/mvcc/backend/metrics.go @@ -22,7 +22,10 @@ var ( Subsystem: "disk", Name: "backend_commit_duration_seconds", Help: "The latency distributions of commit called by backend.", - Buckets: prometheus.ExponentialBuckets(0.001, 2, 14), + + // lowest bucket start of upper bound 0.001 sec (1 ms) with factor 2 + // highest bucket start of 0.001 sec * 2^13 == 8.192 sec + Buckets: prometheus.ExponentialBuckets(0.001, 2, 14), }) )