k3s/vendor/go.etcd.io/etcd/etcdserver/api/snap/metrics.go

83 lines
2.9 KiB
Go

// 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.
package snap
import "github.com/prometheus/client_golang/prometheus"
var (
snapMarshallingSec = prometheus.NewHistogram(prometheus.HistogramOpts{
Namespace: "etcd_debugging",
Subsystem: "snap",
Name: "save_marshalling_duration_seconds",
Help: "The marshalling cost distributions of save called by snapshot.",
// 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),
})
snapSaveSec = prometheus.NewHistogram(prometheus.HistogramOpts{
Namespace: "etcd_debugging",
Subsystem: "snap",
Name: "save_total_duration_seconds",
Help: "The total latency distributions of save called by snapshot.",
// 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),
})
snapFsyncSec = prometheus.NewHistogram(prometheus.HistogramOpts{
Namespace: "etcd",
Subsystem: "snap",
Name: "fsync_duration_seconds",
Help: "The latency distributions of fsync called by snap.",
// 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),
})
snapDBSaveSec = prometheus.NewHistogram(prometheus.HistogramOpts{
Namespace: "etcd",
Subsystem: "snap_db",
Name: "save_total_duration_seconds",
Help: "The total latency distributions of v3 snapshot save",
// lowest bucket start of upper bound 0.1 sec (100 ms) with factor 2
// highest bucket start of 0.1 sec * 2^9 == 51.2 sec
Buckets: prometheus.ExponentialBuckets(0.1, 2, 10),
})
snapDBFsyncSec = prometheus.NewHistogram(prometheus.HistogramOpts{
Namespace: "etcd",
Subsystem: "snap_db",
Name: "fsync_duration_seconds",
Help: "The latency distributions of fsyncing .snap.db file",
// 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),
})
)
func init() {
prometheus.MustRegister(snapMarshallingSec)
prometheus.MustRegister(snapSaveSec)
prometheus.MustRegister(snapFsyncSec)
prometheus.MustRegister(snapDBSaveSec)
prometheus.MustRegister(snapDBFsyncSec)
}