/
metrics.go
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/
metrics.go
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// Copyright 2021 PingCAP, Inc.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// See the License for the specific language governing permissions and
// limitations under the License.
package p2p
import (
grpc_prometheus "github.com/grpc-ecosystem/go-grpc-prometheus"
"github.com/prometheus/client_golang/prometheus"
)
const unknownPeerLabel = "unknown"
var (
serverStreamCount = prometheus.NewGaugeVec(prometheus.GaugeOpts{
Namespace: "ticdc",
Subsystem: "message_server",
Name: "cur_stream_count",
Help: "count of concurrent streams handled by the message server",
}, []string{"from"})
serverMessageCount = prometheus.NewCounterVec(prometheus.CounterOpts{
Namespace: "ticdc",
Subsystem: "message_server",
Name: "message_count",
Help: "count of messages received",
}, []string{"from"})
serverMessageBatchHistogram = prometheus.NewHistogramVec(prometheus.HistogramOpts{
Namespace: "ticdc",
Subsystem: "message_server",
Name: "message_batch_size",
Help: "size in number of messages of message batches received",
Buckets: prometheus.ExponentialBuckets(1, 2, 10),
}, []string{"from"})
// serverMessageBatchBytesHistogram records the wire sizes as reported by protobuf.
serverMessageBatchBytesHistogram = prometheus.NewHistogramVec(prometheus.HistogramOpts{
Namespace: "ticdc",
Subsystem: "message_server",
Name: "message_batch_bytes",
Help: "size in bytes of message batches received",
Buckets: prometheus.ExponentialBuckets(8.0, 2, 16),
}, []string{"from"})
// serverMessageBytesHistogram records the wire sizes as reported by protobuf.
serverMessageBytesHistogram = prometheus.NewHistogramVec(prometheus.HistogramOpts{
Namespace: "ticdc",
Subsystem: "message_server",
Name: "message_bytes",
Help: "size in bytes of messages received",
Buckets: prometheus.ExponentialBuckets(8.0, 2, 16),
}, []string{"from"})
serverAckCount = prometheus.NewCounterVec(prometheus.CounterOpts{
Namespace: "ticdc",
Subsystem: "message_server",
Name: "ack_count",
Help: "count of ack messages sent",
}, []string{"to"})
serverRepeatedMessageCount = prometheus.NewCounterVec(prometheus.CounterOpts{
Namespace: "ticdc",
Subsystem: "message_server",
Name: "repeated_count",
Help: "count of received repeated messages",
}, []string{"from", "topic"})
grpcClientMetrics = grpc_prometheus.NewClientMetrics(func(opts *prometheus.CounterOpts) {
opts.Namespace = "ticdc"
opts.Subsystem = "message_client"
})
clientCount = prometheus.NewGaugeVec(prometheus.GaugeOpts{
Namespace: "ticdc",
Subsystem: "message_client",
Name: "client_count",
Help: "count of messaging clients",
}, []string{"to"})
clientMessageCount = prometheus.NewCounterVec(prometheus.CounterOpts{
Namespace: "ticdc",
Subsystem: "message_client",
Name: "message_count",
Help: "count of messages sent",
}, []string{"to"})
clientAckCount = prometheus.NewCounterVec(prometheus.CounterOpts{
Namespace: "ticdc",
Subsystem: "message_client",
Name: "ack_count",
Help: "count of ack messages received",
}, []string{"from"})
)
// InitMetrics initializes metrics used by pkg/p2p
func InitMetrics(registry *prometheus.Registry) {
registry.MustRegister(serverStreamCount)
registry.MustRegister(serverMessageCount)
registry.MustRegister(serverMessageBatchHistogram)
registry.MustRegister(serverMessageBytesHistogram)
registry.MustRegister(serverMessageBatchBytesHistogram)
registry.MustRegister(serverAckCount)
registry.MustRegister(serverRepeatedMessageCount)
registry.MustRegister(grpcClientMetrics)
registry.MustRegister(clientCount)
registry.MustRegister(clientMessageCount)
registry.MustRegister(clientAckCount)
}