| // Copyright 2015 The etcd Authors |
| // Licensed under the Apache License, Version 2.0 (the "License"); |
| // you may not use this file except in compliance with the License. |
| // You may obtain a copy of the License at |
| // http://www.apache.org/licenses/LICENSE-2.0 |
| // Unless required by applicable law or agreed to in writing, software |
| // distributed under the License is distributed on an "AS IS" BASIS, |
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| // See the License for the specific language governing permissions and |
| // limitations under the License. |
| import "github.com/prometheus/client_golang/prometheus" |
| walFsyncSec = prometheus.NewHistogram(prometheus.HistogramOpts{ |
| Name: "wal_fsync_duration_seconds", |
| Help: "The latency distributions of fsync called by WAL.", |
| // 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), |
| prometheus.MustRegister(walFsyncSec) |