github.com/pingcap/tiflow@v0.0.0-20240520035814-5bf52d54e205/cdc/processor/memquota/metrics.go (about)

     1  // Copyright 2023 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 memquota
    15  
    16  import (
    17  	"github.com/prometheus/client_golang/prometheus"
    18  )
    19  
    20  // MemoryQuota indicates memory usage of a changefeed.
    21  var MemoryQuota = prometheus.NewGaugeVec(
    22  	prometheus.GaugeOpts{
    23  		Namespace: "ticdc",
    24  		Subsystem: "sinkmanager",
    25  		Name:      "memory_quota",
    26  		Help:      "memory quota of the changefeed",
    27  	},
    28  	// type includes total, used, component includes sink and redo.
    29  	[]string{"namespace", "changefeed", "type", "component"})
    30  
    31  // InitMetrics registers all metrics in this file.
    32  func InitMetrics(registry *prometheus.Registry) {
    33  	registry.MustRegister(MemoryQuota)
    34  }