github.com/pingcap/tiflow@v0.0.0-20240520035814-5bf52d54e205/pkg/sink/codec/metrics.go (about)

     1  // Copyright 2022 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 codec
    15  
    16  import (
    17  	"github.com/pingcap/tiflow/pkg/sink/codec/common"
    18  	"github.com/prometheus/client_golang/prometheus"
    19  )
    20  
    21  var (
    22  	encoderGroupInputChanSizeGauge = prometheus.NewGaugeVec(
    23  		prometheus.GaugeOpts{
    24  			Namespace: "ticdc",
    25  			Subsystem: "sink",
    26  			Name:      "encoder_group_input_chan_size",
    27  			Help:      "The size of input channel of encoder group",
    28  		}, []string{"namespace", "changefeed", "index"})
    29  	// EncoderGroupOutputChanSizeGauge tracks the size of output channel of encoder group
    30  	EncoderGroupOutputChanSizeGauge = prometheus.NewGaugeVec(
    31  		prometheus.GaugeOpts{
    32  			Namespace: "ticdc",
    33  			Subsystem: "sink",
    34  			Name:      "encoder_group_output_chan_size",
    35  			Help:      "The size of output channel of encoder group",
    36  		}, []string{"namespace", "changefeed"})
    37  )
    38  
    39  // InitMetrics registers all metrics in this file
    40  func InitMetrics(registry *prometheus.Registry) {
    41  	registry.MustRegister(encoderGroupInputChanSizeGauge)
    42  	registry.MustRegister(EncoderGroupOutputChanSizeGauge)
    43  	common.InitMetrics(registry)
    44  }