k3s/vendor/go.etcd.io/etcd/mvcc/backend/metrics.go
Darren Shepherd f4ff2bf3a8 Update vendor
2020-06-06 22:38:12 -07:00

96 lines
3.5 KiB
Go

// Copyright 2016 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 backend
import "github.com/prometheus/client_golang/prometheus"
var (
commitSec = prometheus.NewHistogram(prometheus.HistogramOpts{
Namespace: "etcd",
Subsystem: "disk",
Name: "backend_commit_duration_seconds",
Help: "The latency distributions of commit called by backend.",
// 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),
})
rebalanceSec = prometheus.NewHistogram(prometheus.HistogramOpts{
Namespace: "etcd_debugging",
Subsystem: "disk",
Name: "backend_commit_rebalance_duration_seconds",
Help: "The latency distributions of commit.rebalance called by bboltdb backend.",
// 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),
})
spillSec = prometheus.NewHistogram(prometheus.HistogramOpts{
Namespace: "etcd_debugging",
Subsystem: "disk",
Name: "backend_commit_spill_duration_seconds",
Help: "The latency distributions of commit.spill called by bboltdb backend.",
// 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),
})
writeSec = prometheus.NewHistogram(prometheus.HistogramOpts{
Namespace: "etcd_debugging",
Subsystem: "disk",
Name: "backend_commit_write_duration_seconds",
Help: "The latency distributions of commit.write called by bboltdb backend.",
// 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),
})
defragSec = prometheus.NewHistogram(prometheus.HistogramOpts{
Namespace: "etcd",
Subsystem: "disk",
Name: "backend_defrag_duration_seconds",
Help: "The latency distribution of backend defragmentation.",
// 100 MB usually takes 1 sec, so start with 10 MB of 100 ms
// lowest bucket start of upper bound 0.1 sec (100 ms) with factor 2
// highest bucket start of 0.1 sec * 2^12 == 409.6 sec
Buckets: prometheus.ExponentialBuckets(.1, 2, 13),
})
snapshotTransferSec = prometheus.NewHistogram(prometheus.HistogramOpts{
Namespace: "etcd",
Subsystem: "disk",
Name: "backend_snapshot_duration_seconds",
Help: "The latency distribution of backend snapshots.",
// lowest bucket start of upper bound 0.01 sec (10 ms) with factor 2
// highest bucket start of 0.01 sec * 2^16 == 655.36 sec
Buckets: prometheus.ExponentialBuckets(.01, 2, 17),
})
)
func init() {
prometheus.MustRegister(commitSec)
prometheus.MustRegister(rebalanceSec)
prometheus.MustRegister(spillSec)
prometheus.MustRegister(writeSec)
prometheus.MustRegister(defragSec)
prometheus.MustRegister(snapshotTransferSec)
}