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metrics.go
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/
metrics.go
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// Copyright 2015 CoreOS, Inc.
//
// 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.
package wal
import "github.com/coreos/etcd/Godeps/_workspace/src/github.com/prometheus/client_golang/prometheus"
var (
syncDurations = prometheus.NewHistogram(prometheus.HistogramOpts{
Namespace: "etcd",
Subsystem: "wal",
Name: "fsync_durations_seconds",
Help: "The latency distributions of fsync called by wal.",
Buckets: prometheus.ExponentialBuckets(0.001, 2, 14),
})
lastIndexSaved = prometheus.NewGauge(prometheus.GaugeOpts{
Namespace: "etcd",
Subsystem: "wal",
Name: "last_index_saved",
Help: "The index of the last entry saved by wal.",
})
)
func init() {
prometheus.MustRegister(syncDurations)
prometheus.MustRegister(lastIndexSaved)
}