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

     1  // Copyright 2021 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 pipeline
    15  
    16  import (
    17  	"github.com/prometheus/client_golang/prometheus"
    18  )
    19  
    20  var (
    21  	tableResolvedTsGauge = prometheus.NewGaugeVec(
    22  		prometheus.GaugeOpts{
    23  			Namespace: "ticdc",
    24  			Subsystem: "processor",
    25  			Name:      "table_resolved_ts",
    26  			Help:      "local resolved ts of processor",
    27  		}, []string{"changefeed", "capture", "table"})
    28  	txnCounter = prometheus.NewCounterVec(
    29  		prometheus.CounterOpts{
    30  			Namespace: "ticdc",
    31  			Subsystem: "processor",
    32  			Name:      "txn_count",
    33  			Help:      "txn count received/executed by this processor",
    34  		}, []string{"type", "changefeed", "capture"})
    35  	tableMemoryHistogram = prometheus.NewHistogramVec(
    36  		prometheus.HistogramOpts{
    37  			Namespace: "ticdc",
    38  			Subsystem: "processor",
    39  			Name:      "table_memory_consumption",
    40  			Help:      "estimated memory consumption for a table after the sorter",
    41  			Buckets:   prometheus.ExponentialBuckets(1*1024*1024 /* mb */, 2, 10),
    42  		}, []string{"changefeed", "capture"})
    43  )
    44  
    45  // InitMetrics registers all metrics used in processor
    46  func InitMetrics(registry *prometheus.Registry) {
    47  	registry.MustRegister(tableResolvedTsGauge)
    48  	registry.MustRegister(txnCounter)
    49  	registry.MustRegister(tableMemoryHistogram)
    50  }