You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
192 lines
5.6 KiB
192 lines
5.6 KiB
// 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,
|
|
// See the License for the specific language governing permissions and
|
|
// limitations under the License.
|
|
|
|
package metrics
|
|
|
|
import (
|
|
"github.com/pingcap/errors"
|
|
"github.com/pingcap/parser/terror"
|
|
"github.com/prometheus/client_golang/prometheus"
|
|
)
|
|
|
|
var (
|
|
// ResettablePlanCacheCounterFortTest be used to support reset counter in test.
|
|
ResettablePlanCacheCounterFortTest = false
|
|
)
|
|
|
|
// Metrics
|
|
var (
|
|
QueryDurationHistogram = prometheus.NewHistogramVec(
|
|
prometheus.HistogramOpts{
|
|
Namespace: "tidb",
|
|
Subsystem: "server",
|
|
Name: "handle_query_duration_seconds",
|
|
Help: "Bucketed histogram of processing time (s) of handled queries.",
|
|
Buckets: prometheus.ExponentialBuckets(0.0005, 2, 29), // 0.5ms ~ 1.5days
|
|
}, []string{LblSQLType})
|
|
|
|
QueryTotalCounter = prometheus.NewCounterVec(
|
|
prometheus.CounterOpts{
|
|
Namespace: "tidb",
|
|
Subsystem: "server",
|
|
Name: "query_total",
|
|
Help: "Counter of queries.",
|
|
}, []string{LblType, LblResult})
|
|
|
|
ConnGauge = prometheus.NewGauge(
|
|
prometheus.GaugeOpts{
|
|
Namespace: "tidb",
|
|
Subsystem: "server",
|
|
Name: "connections",
|
|
Help: "Number of connections.",
|
|
})
|
|
|
|
PreparedStmtGauge = prometheus.NewGauge(prometheus.GaugeOpts{
|
|
Namespace: "tidb",
|
|
Subsystem: "server",
|
|
Name: "prepared_stmts",
|
|
Help: "number of prepared statements.",
|
|
})
|
|
|
|
ExecuteErrorCounter = prometheus.NewCounterVec(
|
|
prometheus.CounterOpts{
|
|
Namespace: "tidb",
|
|
Subsystem: "server",
|
|
Name: "execute_error_total",
|
|
Help: "Counter of execute errors.",
|
|
}, []string{LblType})
|
|
|
|
CriticalErrorCounter = prometheus.NewCounter(
|
|
prometheus.CounterOpts{
|
|
Namespace: "tidb",
|
|
Subsystem: "server",
|
|
Name: "critical_error_total",
|
|
Help: "Counter of critical errors.",
|
|
})
|
|
|
|
EventStart = "start"
|
|
EventGracefulDown = "graceful_shutdown"
|
|
// Eventkill occurs when the server.Kill() function is called.
|
|
EventKill = "kill"
|
|
EventClose = "close"
|
|
ServerEventCounter = prometheus.NewCounterVec(
|
|
prometheus.CounterOpts{
|
|
Namespace: "tidb",
|
|
Subsystem: "server",
|
|
Name: "event_total",
|
|
Help: "Counter of tidb-server event.",
|
|
}, []string{LblType})
|
|
|
|
TimeJumpBackCounter = prometheus.NewCounter(
|
|
prometheus.CounterOpts{
|
|
Namespace: "tidb",
|
|
Subsystem: "monitor",
|
|
Name: "time_jump_back_total",
|
|
Help: "Counter of system time jumps backward.",
|
|
})
|
|
|
|
KeepAliveCounter = prometheus.NewCounter(
|
|
prometheus.CounterOpts{
|
|
Namespace: "tidb",
|
|
Subsystem: "monitor",
|
|
Name: "keep_alive_total",
|
|
Help: "Counter of TiDB keep alive.",
|
|
})
|
|
|
|
PlanCacheCounter = prometheus.NewCounterVec(
|
|
prometheus.CounterOpts{
|
|
Namespace: "tidb",
|
|
Subsystem: "server",
|
|
Name: "plan_cache_total",
|
|
Help: "Counter of query using plan cache.",
|
|
}, []string{LblType})
|
|
|
|
HandShakeErrorCounter = prometheus.NewCounter(
|
|
prometheus.CounterOpts{
|
|
Namespace: "tidb",
|
|
Subsystem: "server",
|
|
Name: "handshake_error_total",
|
|
Help: "Counter of hand shake error.",
|
|
},
|
|
)
|
|
|
|
GetTokenDurationHistogram = prometheus.NewHistogram(
|
|
prometheus.HistogramOpts{
|
|
Namespace: "tidb",
|
|
Subsystem: "server",
|
|
Name: "get_token_duration_seconds",
|
|
Help: "Duration (us) for getting token, it should be small until concurrency limit is reached.",
|
|
Buckets: prometheus.ExponentialBuckets(1, 2, 30), // 1us ~ 528s
|
|
})
|
|
|
|
TotalQueryProcHistogram = prometheus.NewHistogram(
|
|
prometheus.HistogramOpts{
|
|
Namespace: "tidb",
|
|
Subsystem: "server",
|
|
Name: "slow_query_process_duration_seconds",
|
|
Help: "Bucketed histogram of processing time (s) of of slow queries.",
|
|
Buckets: prometheus.ExponentialBuckets(0.001, 2, 28), // 1ms ~ 1.5days
|
|
})
|
|
TotalCopProcHistogram = prometheus.NewHistogram(
|
|
prometheus.HistogramOpts{
|
|
Namespace: "tidb",
|
|
Subsystem: "server",
|
|
Name: "slow_query_cop_duration_seconds",
|
|
Help: "Bucketed histogram of all cop processing time (s) of of slow queries.",
|
|
Buckets: prometheus.ExponentialBuckets(0.001, 2, 28), // 1ms ~ 1.5days
|
|
})
|
|
TotalCopWaitHistogram = prometheus.NewHistogram(
|
|
prometheus.HistogramOpts{
|
|
Namespace: "tidb",
|
|
Subsystem: "server",
|
|
Name: "slow_query_wait_duration_seconds",
|
|
Help: "Bucketed histogram of all cop waiting time (s) of of slow queries.",
|
|
Buckets: prometheus.ExponentialBuckets(0.001, 2, 28), // 1ms ~ 1.5days
|
|
})
|
|
|
|
MaxProcs = prometheus.NewGauge(
|
|
prometheus.GaugeOpts{
|
|
Namespace: "tidb",
|
|
Subsystem: "server",
|
|
Name: "maxprocs",
|
|
Help: "The value of GOMAXPROCS.",
|
|
})
|
|
|
|
GOGC = prometheus.NewGauge(
|
|
prometheus.GaugeOpts{
|
|
Namespace: "tidb",
|
|
Subsystem: "server",
|
|
Name: "gogc",
|
|
Help: "The value of GOGC",
|
|
})
|
|
|
|
ConnIdleDurationHistogram = prometheus.NewHistogramVec(
|
|
prometheus.HistogramOpts{
|
|
Namespace: "tidb",
|
|
Subsystem: "server",
|
|
Name: "conn_idle_duration_seconds",
|
|
Help: "Bucketed histogram of connection idle time (s).",
|
|
Buckets: prometheus.ExponentialBuckets(0.0005, 2, 29), // 0.5ms ~ 1.5days
|
|
}, []string{LblInTxn})
|
|
)
|
|
|
|
// ExecuteErrorToLabel converts an execute error to label.
|
|
func ExecuteErrorToLabel(err error) string {
|
|
err = errors.Cause(err)
|
|
switch x := err.(type) {
|
|
case *terror.Error:
|
|
return string(x.RFCCode())
|
|
default:
|
|
return "unknown"
|
|
}
|
|
}
|
|
|