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etcdserver/api/rafthttp: increase bucket upperbound up-to 3-sec

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From 0.8 sec to 3.2 sec for more detailed latency analysis

Signed-off-by: Gyuho Lee <gyuhox@gmail.com>
This commit is contained in:
Gyuho Lee 2018-05-23 13:17:50 -07:00
parent 2b01460b4d
commit 5a9e48be30
1 changed files with 4 additions and 1 deletions
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5
etcdserver/api/rafthttp/metrics.go
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@ -58,7 +58,10 @@ var (
Subsystem: "network",
Name: "peer_round_trip_time_seconds",
Help: "Round-Trip-Time histogram between peers.",
Buckets: prometheus.ExponentialBuckets(0.0001, 2, 14),
// lowest bucket start of upper bound 0.0001 sec (0.1 ms) with factor 2
// highest bucket start of 0.0001 sec * 2^15 == 3.2768 sec
Buckets: prometheus.ExponentialBuckets(0.0001, 2, 16),
},
[]string{"To"},
)