Revision 008074187c329c5fe73944a486040f1135229e64 authored by Gyuho Lee on 12 August 2020, 17:23:22 UTC, committed by Gyuho Lee on 13 August 2020, 01:38:35 UTC
Similar counts are exposed via Prometheus. This adds the one that are perceived by etcd server. e.g. os_fd_limit 120000 os_fd_used 14 process_cpu_seconds_total 0.31 process_max_fds 120000 process_open_fds 17 Signed-off-by: Gyuho Lee <leegyuho@amazon.com>
1 parent cf558ee
metrics.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 wal
import "github.com/prometheus/client_golang/prometheus"
var (
walFsyncSec = prometheus.NewHistogram(prometheus.HistogramOpts{
Namespace: "etcd",
Subsystem: "disk",
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),
})
walWriteBytes = prometheus.NewGauge(prometheus.GaugeOpts{
Namespace: "etcd",
Subsystem: "disk",
Name: "wal_write_bytes_total",
Help: "Total number of bytes written in WAL.",
})
)
func init() {
prometheus.MustRegister(walFsyncSec)
prometheus.MustRegister(walWriteBytes)
}
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