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mvcc/backend: document metrics ExponentialBuckets

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Signed-off-by: Gyuho Lee <gyuhox@gmail.com>
This commit is contained in:
Gyuho Lee 2018-05-23 12:14:43 -07:00 committed by Wenjia Zhang
parent 92a7b5df80
commit 22c25dd4e7
1 changed files with 4 additions and 1 deletions
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5
mvcc/backend/metrics.go
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@ -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),
})
)