github.com/pingcap/tiflow@v0.0.0-20240520035814-5bf52d54e205/pkg/txnutil/gc/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 gc
    15  
    16  import (
    17  	"github.com/prometheus/client_golang/prometheus"
    18  )
    19  
    20  var (
    21  	minServiceGCSafePointGauge = prometheus.NewGauge(
    22  		prometheus.GaugeOpts{
    23  			Namespace: "ticdc",
    24  			Subsystem: "gc",
    25  			Name:      "min_service_gc_safepoint",
    26  			Help:      "The min value all of service GC safepoint",
    27  		})
    28  
    29  	cdcGCSafePointGauge = prometheus.NewGauge(
    30  		prometheus.GaugeOpts{
    31  			Namespace: "ticdc",
    32  			Subsystem: "gc",
    33  			Name:      "cdc_gc_safepoint",
    34  			Help:      "the value of CDC GC safepoint",
    35  		})
    36  )
    37  
    38  // InitMetrics registers all metrics used gc manager
    39  func InitMetrics(registry *prometheus.Registry) {
    40  	registry.MustRegister(minServiceGCSafePointGauge)
    41  	registry.MustRegister(cdcGCSafePointGauge)
    42  }