tidb executor 源码
tidb executor 代码
文件路径：/metrics/executor.go
// Copyright 2018 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"
)
var (
// ExecutorCounter records the number of expensive executors.
ExecutorCounter = prometheus.NewCounterVec(
prometheus.CounterOpts{
Namespace: "tidb",
Subsystem: "executor",
Name: "expensive_total",
Help: "Counter of Expensive Executors.",
}, []string{LblType},
)
// StmtNodeCounter records the number of statement with the same type.
StmtNodeCounter = prometheus.NewCounterVec(
prometheus.CounterOpts{
Namespace: "tidb",
Subsystem: "executor",
Name: "statement_total",
Help: "Counter of StmtNode.",
}, []string{LblType})
// DbStmtNodeCounter records the number of statement with the same type and db.
DbStmtNodeCounter = prometheus.NewCounterVec(
prometheus.CounterOpts{
Namespace: "tidb",
Subsystem: "executor",
Name: "statement_db_total",
Help: "Counter of StmtNode by Database.",
}, []string{LblDb, LblType})
// ExecPhaseDuration records the duration of each execution phase.
ExecPhaseDuration = prometheus.NewSummaryVec(
prometheus.SummaryOpts{
Namespace: "tidb",
Subsystem: "executor",
Name: "phase_duration_seconds",
Help: "Summary of each execution phase duration.",
}, []string{LblPhase, LblInternal})
)
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