blob: 22cb8003c98b16c860bfdc6790dc2aaca681acea [file] [log] [blame]
khenaidoo59ce9dd2019-11-11 13:05:32 -05001// Copyright 2015 The etcd Authors
2//
3// Licensed under the Apache License, Version 2.0 (the "License");
4// you may not use this file except in compliance with the License.
5// You may obtain a copy of the License at
6//
7// http://www.apache.org/licenses/LICENSE-2.0
8//
9// Unless required by applicable law or agreed to in writing, software
10// distributed under the License is distributed on an "AS IS" BASIS,
11// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12// See the License for the specific language governing permissions and
13// limitations under the License.
14
15package wal
16
17import "github.com/prometheus/client_golang/prometheus"
18
19var (
20 walFsyncSec = prometheus.NewHistogram(prometheus.HistogramOpts{
21 Namespace: "etcd",
22 Subsystem: "disk",
23 Name: "wal_fsync_duration_seconds",
24 Help: "The latency distributions of fsync called by WAL.",
25
26 // lowest bucket start of upper bound 0.001 sec (1 ms) with factor 2
27 // highest bucket start of 0.001 sec * 2^13 == 8.192 sec
28 Buckets: prometheus.ExponentialBuckets(0.001, 2, 14),
29 })
30)
31
32func init() {
33 prometheus.MustRegister(walFsyncSec)
34}