github.com/pingcap/ticdc@v0.0.0-20220526033649-485a10ef2652/cdc/entry/metrics.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 entry
    15  
    16  import (
    17  	"github.com/prometheus/client_golang/prometheus"
    18  )
    19  
    20  var (
    21  	mounterInputChanSizeGauge = prometheus.NewGaugeVec(
    22  		prometheus.GaugeOpts{
    23  			Namespace: "ticdc",
    24  			Subsystem: "mounter",
    25  			Name:      "input_chan_size",
    26  			Help:      "mounter input chan size",
    27  		}, []string{"capture", "changefeed"})
    28  	mountDuration = prometheus.NewHistogramVec(
    29  		prometheus.HistogramOpts{
    30  			Namespace: "ticdc",
    31  			Subsystem: "mounter",
    32  			Name:      "unmarshal_and_mount",
    33  			Help:      "Bucketed histogram of processing time (s) of unmarshal and mount in mounter.",
    34  			Buckets:   prometheus.ExponentialBuckets(0.000001, 10, 10),
    35  		}, []string{"capture", "changefeed"})
    36  )
    37  
    38  // InitMetrics registers all metrics in this file
    39  func InitMetrics(registry *prometheus.Registry) {
    40  	registry.MustRegister(mounterInputChanSizeGauge)
    41  	registry.MustRegister(mountDuration)
    42  }