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// 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/prometheus/client_golang/prometheus"
// Metrics for the DDL package.
var (
JobsGauge = prometheus.NewGaugeVec(
prometheus.GaugeOpts{
Namespace: "tidb",
Subsystem: "ddl",
Name: "waiting_jobs",
Help: "Gauge of jobs.",
}, []string{LblType})
HandleJobHistogram = prometheus.NewHistogramVec(
prometheus.HistogramOpts{
Namespace: "tidb",
Subsystem: "ddl",
Name: "handle_job_duration_seconds",
Help: "Bucketed histogram of processing time (s) of handle jobs",
Buckets: prometheus.ExponentialBuckets(0.01, 2, 24), // 10ms ~ 24hours
}, []string{LblType, LblResult})
BatchAddIdxHistogram = prometheus.NewHistogramVec(
prometheus.HistogramOpts{
Namespace: "tidb",
Subsystem: "ddl",
Name: "batch_add_idx_duration_seconds",
Help: "Bucketed histogram of processing time (s) of batch handle data",
Buckets: prometheus.ExponentialBuckets(0.001, 2, 28), // 1ms ~ 1.5days
}, []string{LblType})
SyncerInit = "init"
SyncerRestart = "restart"
SyncerClear = "clear"
SyncerRewatch = "rewatch"
DeploySyncerHistogram = prometheus.NewHistogramVec(
prometheus.HistogramOpts{
Namespace: "tidb",
Subsystem: "ddl",
Name: "deploy_syncer_duration_seconds",
Help: "Bucketed histogram of processing time (s) of deploy syncer",
Buckets: prometheus.ExponentialBuckets(0.001, 2, 20), // 1ms ~ 524s
}, []string{LblType, LblResult})
UpdateSelfVersionHistogram = prometheus.NewHistogramVec(
prometheus.HistogramOpts{
Namespace: "tidb",
Subsystem: "ddl",
Name: "update_self_ver_duration_seconds",
Help: "Bucketed histogram of processing time (s) of update self version",
Buckets: prometheus.ExponentialBuckets(0.001, 2, 20), // 1ms ~ 524s
}, []string{LblResult})
OwnerUpdateGlobalVersion = "update_global_version"
OwnerGetGlobalVersion = "get_global_version"
OwnerCheckAllVersions = "check_all_versions"
OwnerNotifyCleanExpirePaths = "notify_clean_expire_paths"
OwnerCleanExpirePaths = "clean_expire_paths"
OwnerCleanOneExpirePath = "clean_an_expire_path"
OwnerHandleSyncerHistogram = prometheus.NewHistogramVec(
prometheus.HistogramOpts{
Namespace: "tidb",
Subsystem: "ddl",
Name: "owner_handle_syncer_duration_seconds",
Help: "Bucketed histogram of processing time (s) of handle syncer",
Buckets: prometheus.ExponentialBuckets(0.001, 2, 20), // 1ms ~ 524s
}, []string{LblType, LblResult})
// Metrics for ddl_worker.go.
WorkerAddDDLJob = "add_job"
WorkerRunDDLJob = "run_job"
WorkerFinishDDLJob = "finish_job"
WorkerWaitSchemaChanged = "wait_schema_changed"
DDLWorkerHistogram = prometheus.NewHistogramVec(
prometheus.HistogramOpts{
Namespace: "tidb",
Subsystem: "ddl",
Name: "worker_operation_duration_seconds",
Help: "Bucketed histogram of processing time (s) of ddl worker operations",
Buckets: prometheus.ExponentialBuckets(0.001, 2, 28), // 1ms ~ 1.5days
}, []string{LblType, LblAction, LblResult})
CreateDDLInstance = "create_ddl_instance"
CreateDDL = "create_ddl"
StartCleanWork = "start_clean_work"
DDLOwner = "owner"
DDLCounter = prometheus.NewCounterVec(
prometheus.CounterOpts{
Namespace: "tidb",
Subsystem: "ddl",
Name: "worker_operation_total",
Help: "Counter of creating ddl/worker and isowner.",
}, []string{LblType})
AddIndexTotalCounter = prometheus.NewCounterVec(
prometheus.CounterOpts{
Namespace: "tidb",
Subsystem: "ddl",
Name: "add_index_total",
Help: "Speed of add index",
}, []string{LblType})
AddIndexProgress = prometheus.NewGauge(
prometheus.GaugeOpts{
Namespace: "tidb",
Subsystem: "ddl",
Name: "add_index_percentage_progress",
Help: "Percentage progress of add index",
})
)
// Label constants.
const (
LblAction = "action"
)