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metrics.go
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metrics.go
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// Copyright 2023 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,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package metrics
import (
"github.com/prometheus/client_golang/prometheus"
"github.com/twotigers93/tidb/metrics"
"github.com/twotigers93/tidb/parser/mysql"
)
// server metrics vars
var (
QueryTotalCountOk []prometheus.Counter
QueryTotalCountErr []prometheus.Counter
DisconnectNormal prometheus.Counter
DisconnectByClientWithError prometheus.Counter
DisconnectErrorUndetermined prometheus.Counter
ConnIdleDurationHistogramNotInTxn prometheus.Observer
ConnIdleDurationHistogramInTxn prometheus.Observer
AffectedRowsCounterInsert prometheus.Counter
AffectedRowsCounterUpdate prometheus.Counter
AffectedRowsCounterDelete prometheus.Counter
AffectedRowsCounterReplace prometheus.Counter
ReadPacketBytes prometheus.Counter
WritePacketBytes prometheus.Counter
)
func init() {
InitMetricsVars()
}
// InitMetricsVars init server metrics vars.
func InitMetricsVars() {
QueryTotalCountOk = []prometheus.Counter{
mysql.ComSleep: metrics.QueryTotalCounter.WithLabelValues("Sleep", "OK"),
mysql.ComQuit: metrics.QueryTotalCounter.WithLabelValues("Quit", "OK"),
mysql.ComInitDB: metrics.QueryTotalCounter.WithLabelValues("InitDB", "OK"),
mysql.ComQuery: metrics.QueryTotalCounter.WithLabelValues("Query", "OK"),
mysql.ComPing: metrics.QueryTotalCounter.WithLabelValues("Ping", "OK"),
mysql.ComFieldList: metrics.QueryTotalCounter.WithLabelValues("FieldList", "OK"),
mysql.ComStmtPrepare: metrics.QueryTotalCounter.WithLabelValues("StmtPrepare", "OK"),
mysql.ComStmtExecute: metrics.QueryTotalCounter.WithLabelValues("StmtExecute", "OK"),
mysql.ComStmtFetch: metrics.QueryTotalCounter.WithLabelValues("StmtFetch", "OK"),
mysql.ComStmtClose: metrics.QueryTotalCounter.WithLabelValues("StmtClose", "OK"),
mysql.ComStmtSendLongData: metrics.QueryTotalCounter.WithLabelValues("StmtSendLongData", "OK"),
mysql.ComStmtReset: metrics.QueryTotalCounter.WithLabelValues("StmtReset", "OK"),
mysql.ComSetOption: metrics.QueryTotalCounter.WithLabelValues("SetOption", "OK"),
}
QueryTotalCountErr = []prometheus.Counter{
mysql.ComSleep: metrics.QueryTotalCounter.WithLabelValues("Sleep", "Error"),
mysql.ComQuit: metrics.QueryTotalCounter.WithLabelValues("Quit", "Error"),
mysql.ComInitDB: metrics.QueryTotalCounter.WithLabelValues("InitDB", "Error"),
mysql.ComQuery: metrics.QueryTotalCounter.WithLabelValues("Query", "Error"),
mysql.ComPing: metrics.QueryTotalCounter.WithLabelValues("Ping", "Error"),
mysql.ComFieldList: metrics.QueryTotalCounter.WithLabelValues("FieldList", "Error"),
mysql.ComStmtPrepare: metrics.QueryTotalCounter.WithLabelValues("StmtPrepare", "Error"),
mysql.ComStmtExecute: metrics.QueryTotalCounter.WithLabelValues("StmtExecute", "Error"),
mysql.ComStmtFetch: metrics.QueryTotalCounter.WithLabelValues("StmtFetch", "Error"),
mysql.ComStmtClose: metrics.QueryTotalCounter.WithLabelValues("StmtClose", "Error"),
mysql.ComStmtSendLongData: metrics.QueryTotalCounter.WithLabelValues("StmtSendLongData", "Error"),
mysql.ComStmtReset: metrics.QueryTotalCounter.WithLabelValues("StmtReset", "Error"),
mysql.ComSetOption: metrics.QueryTotalCounter.WithLabelValues("SetOption", "Error"),
}
DisconnectNormal = metrics.DisconnectionCounter.WithLabelValues(metrics.LblOK)
DisconnectByClientWithError = metrics.DisconnectionCounter.WithLabelValues(metrics.LblError)
DisconnectErrorUndetermined = metrics.DisconnectionCounter.WithLabelValues("undetermined")
ConnIdleDurationHistogramNotInTxn = metrics.ConnIdleDurationHistogram.WithLabelValues("0")
ConnIdleDurationHistogramInTxn = metrics.ConnIdleDurationHistogram.WithLabelValues("1")
AffectedRowsCounterInsert = metrics.AffectedRowsCounter.WithLabelValues("Insert")
AffectedRowsCounterUpdate = metrics.AffectedRowsCounter.WithLabelValues("Update")
AffectedRowsCounterDelete = metrics.AffectedRowsCounter.WithLabelValues("Delete")
AffectedRowsCounterReplace = metrics.AffectedRowsCounter.WithLabelValues("Replace")
ReadPacketBytes = metrics.PacketIOCounter.WithLabelValues("read")
WritePacketBytes = metrics.PacketIOCounter.WithLabelValues("write")
}