github.com/pingcap/ticdc@v0.0.0-20220526033649-485a10ef2652/cdc/metrics_server.go (about)

     1  // Copyright 2020 PingCAP, Inc.
     2  //
     3  // Licensed under the Apache License, Version 2.0 (the "License");
     4  // you may not use this file except in compliance with the License.
     5  // You may obtain a copy of the License at
     6  //
     7  //     http://www.apache.org/licenses/LICENSE-2.0
     8  //
     9  // Unless required by applicable law or agreed to in writing, software
    10  // distributed under the License is distributed on an "AS IS" BASIS,
    11  // See the License for the specific language governing permissions and
    12  // limitations under the License.
    13  
    14  package cdc
    15  
    16  import (
    17  	"github.com/prometheus/client_golang/prometheus"
    18  )
    19  
    20  var etcdHealthCheckDuration = prometheus.NewHistogramVec(
    21  	prometheus.HistogramOpts{
    22  		Namespace: "ticdc",
    23  		Subsystem: "server",
    24  		Name:      "etcd_health_check_duration",
    25  		Help:      "Bucketed histogram of processing time (s) of flushing events in processor",
    26  		Buckets:   prometheus.ExponentialBuckets(0.0001 /* 0.1ms */, 2, 18),
    27  	}, []string{"capture", "pd"})
    28  
    29  // initServerMetrics registers all metrics used in processor
    30  func initServerMetrics(registry *prometheus.Registry) {
    31  	registry.MustRegister(etcdHealthCheckDuration)
    32  }