metrics

package
v1.1.0-beta.0...-985609a Latest Latest
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 Go to latest Published: Dec 23, 2024 License: Apache-2.0 Imports: 15 Imported by: 0

Documentation

Index

Constants

View Source 
const (
	LblAction = "action"

	LblAddIndex      = "add_index"
	LblAddIndexMerge = "add_index_merge_tmp"
	LblModifyColumn  = "modify_column"

	LblReorgPartition = "reorganize_partition"
)

Label constants.

View Source 
const (
	SchedulingStatus = "scheduling"
	WaitingStatus    = "waiting"
	RunningStatus    = "running"
	CompletedStatus  = "completed"
)

status for task

View Source 
const (
	LabelSession    = "session"
	LabelDomain     = "domain"
	LabelDDLOwner   = "ddl-owner"
	LabelDDL        = "ddl"
	LabelDDLWorker  = "ddl-worker"
	LabelDistReorg  = "dist-reorg"
	LabelDDLSyncer  = "ddl-syncer"
	LabelGCWorker   = "gcworker"
	LabelAnalyze    = "analyze"
	LabelWorkerPool = "worker-pool"

	LabelBatchRecvLoop = "batch-recv-loop"
	LabelBatchSendLoop = "batch-send-loop"

	TiDB         = "tidb"
	LabelScope   = "scope"
	ScopeGlobal  = "global"
	ScopeSession = "session"
	Server       = "server"
	TiKVClient   = "tikvclient"
)

metrics labels.

View Source 
const (
	LblUnretryable    = "unretryable"
	LblReachMax       = "reach_max"
	LblOK             = "ok"
	LblError          = "error"
	LblCommit         = "commit"
	LblAbort          = "abort"
	LblRollback       = "rollback"
	LblType           = "type"
	LblDb             = "db"
	LblResult         = "result"
	LblSQLType        = "sql_type"
	LblCoprType       = "copr_type"
	LblGeneral        = "general"
	LblInternal       = "internal"
	LblTxnMode        = "txn_mode"
	LblPessimistic    = "pessimistic"
	LblOptimistic     = "optimistic"
	LblStore          = "store"
	LblAddress        = "address"
	LblBatchGet       = "batch_get"
	LblGet            = "get"
	LblLockKeys       = "lock_keys"
	LblInTxn          = "in_txn"
	LblVersion        = "version"
	LblHash           = "hash"
	LblCTEType        = "cte_type"
	LblAccountLock    = "account_lock"
	LblIdle           = "idle"
	LblRunning        = "executing_sql"
	LblLockWaiting    = "waiting_for_lock"
	LblCommitting     = "committing"
	LblRollingBack    = "rolling_back"
	LblHasLock        = "has_lock"
	LblPhase          = "phase"
	LblModule         = "module"
	LblRCReadCheckTS  = "read_check"
	LblRCWriteCheckTS = "write_check"
	LblResourceGroup  = "resource_group"

	LblName = "name"

	LblFairLockingTxnUsed       = "txn-used"
	LblFairLockingTxnEffective  = "txn-effective"
	LblFairLockingStmtUsed      = "stmt-used"
	LblFairLockingStmtEffective = "stmt-effective"
	LblScope                    = "scope"
)

Label constants.

Variables

View Source 
var (
	BindingCacheHitCounter  prometheus.Counter
	BindingCacheMissCounter prometheus.Counter
	BindingCacheMemUsage    prometheus.Gauge
	BindingCacheMemLimit    prometheus.Gauge
	BindingCacheNumBindings prometheus.Gauge
)

bindinfo metrics.

View Source 
var (
	JobsGauge            *prometheus.GaugeVec
	HandleJobHistogram   *prometheus.HistogramVec
	BatchAddIdxHistogram *prometheus.HistogramVec

	SyncerInit    = "init"
	SyncerRestart = "restart"
	SyncerClear   = "clear"
	SyncerRewatch = "rewatch"

	StateSyncerInit = "init_global_state"

	DeploySyncerHistogram      *prometheus.HistogramVec
	UpdateSelfVersionHistogram *prometheus.HistogramVec

	OwnerUpdateGlobalVersion = "update_global_version"
	OwnerCheckAllVersions    = "check_all_versions"

	UpdateGlobalState = "update_global_state"

	OwnerHandleSyncerHistogram *prometheus.HistogramVec

	// Metrics for job_worker.go.
	WorkerAddDDLJob    = "add_job"
	DDLWorkerHistogram *prometheus.HistogramVec

	// DDLRunOneStep is the label for the DDL worker operation run_one_step.
	//
	// if a DDL job runs successfully, the cost time is mostly in below structure:
	//
	// run_job
	// ├─ step-1
	// │  ├─ transit_one_step
	// │  │  ├─ run_one_step
	// │  │  │  ├─ lock_schema_ver
	// │  │  │  ├─ incr_schema_ver
	// │  │  │  ├─ async_notify
	// │  │  ├─ other common works such as register MDL, commit, etc.
	// │  ├─ wait_schema_synced
	// │  ├─ clean_mdl_info
	// ├─ step-2/3/4 ... similar as above -> done state
	// ├─ handle_job_done
	DDLRunOneStep           = "run_one_step"
	DDLWaitSchemaSynced     = "wait_schema_synced"
	DDLIncrSchemaVerOpHist  prometheus.Observer
	DDLLockSchemaVerOpHist  prometheus.Observer
	DDLRunJobOpHist         prometheus.Observer
	DDLHandleJobDoneOpHist  prometheus.Observer
	DDLTransitOneStepOpHist prometheus.Observer
	DDLLockVerDurationHist  prometheus.Observer
	DDLCleanMDLInfoHist     prometheus.Observer

	CreateDDLInstance = "create_ddl_instance"
	CreateDDL         = "create_ddl"
	DDLOwner          = "owner"
	DDLCounter        *prometheus.CounterVec

	BackfillTotalCounter  *prometheus.CounterVec
	BackfillProgressGauge *prometheus.GaugeVec
	DDLJobTableDuration   *prometheus.HistogramVec
	DDLRunningJobCount    *prometheus.GaugeVec
	AddIndexScanRate      *prometheus.HistogramVec
)

Metrics for the DDL package.

View Source 
var (
	DistSQLQueryHistogram           *prometheus.HistogramVec
	DistSQLScanKeysPartialHistogram prometheus.Histogram
	DistSQLScanKeysHistogram        prometheus.Histogram
	DistSQLPartialCountHistogram    prometheus.Histogram
	DistSQLCoprCacheCounter         *prometheus.CounterVec
	DistSQLCoprClosestReadCounter   *prometheus.CounterVec
	DistSQLCoprRespBodySize         *prometheus.HistogramVec
)

distsql metrics.

View Source 
var (
	//DistTaskGauge is the gauge of dist task count.
	DistTaskGauge *prometheus.GaugeVec
	//DistTaskStartTimeGauge is the gauge of dist task count.
	DistTaskStartTimeGauge *prometheus.GaugeVec
	// DistTaskUsedSlotsGauge is the gauge of used slots on executor node.
	DistTaskUsedSlotsGauge *prometheus.GaugeVec
)
View Source 
var (
	// LeaseExpireTime records the lease expire time.
	LeaseExpireTime prometheus.Gauge

	// LoadSchemaCounter records the counter of load schema.
	LoadSchemaCounter *prometheus.CounterVec

	// LoadSchemaDuration records the duration of load schema.
	LoadSchemaDuration *prometheus.HistogramVec

	// InfoCacheCounters are the counters of get/hit.
	InfoCacheCounters *prometheus.CounterVec

	// InfoCacheCounterGet is the total number of getting entry.
	InfoCacheCounterGet = "get"
	// InfoCacheCounterHit is the cache hit numbers for get.
	InfoCacheCounterHit = "hit"

	// LoadPrivilegeCounter records the counter of load privilege.
	LoadPrivilegeCounter *prometheus.CounterVec

	// LoadSysVarCacheCounter records the counter of loading sysvars
	LoadSysVarCacheCounter *prometheus.CounterVec

	SchemaValidatorStop       = "stop"
	SchemaValidatorRestart    = "restart"
	SchemaValidatorReset      = "reset"
	SchemaValidatorCacheEmpty = "cache_empty"
	SchemaValidatorCacheMiss  = "cache_miss"
	// HandleSchemaValidate records the counter of handling schema validate.
	HandleSchemaValidate *prometheus.CounterVec
)

Metrics for the domain package.

View Source 
var (
	// ExecutorCounter records the number of expensive executors.
	ExecutorCounter *prometheus.CounterVec

	// StmtNodeCounter records the number of statement with the same type.
	StmtNodeCounter *prometheus.CounterVec

	// DbStmtNodeCounter records the number of statement with the same type and db.
	DbStmtNodeCounter *prometheus.CounterVec

	// ExecPhaseDuration records the duration of each execution phase.
	ExecPhaseDuration *prometheus.SummaryVec

	// OngoingTxnDurationHistogram records the duration of ongoing transactions.
	OngoingTxnDurationHistogram *prometheus.HistogramVec

	// MppCoordinatorStats records the number of mpp coordinator instances and related events
	MppCoordinatorStats *prometheus.GaugeVec

	// MppCoordinatorLatency records latencies of mpp coordinator operations.
	MppCoordinatorLatency *prometheus.HistogramVec

	// AffectedRowsCounter records the number of affected rows.
	AffectedRowsCounter *prometheus.CounterVec

	// AffectedRowsCounterInsert records the number of insert affected rows.
	AffectedRowsCounterInsert prometheus.Counter

	// AffectedRowsCounterUpdate records the number of update affected rows.
	AffectedRowsCounterUpdate prometheus.Counter

	// AffectedRowsCounterDelete records the number of delete affected rows.
	AffectedRowsCounterDelete prometheus.Counter

	// AffectedRowsCounterReplace records the number of replace affected rows.
	AffectedRowsCounterReplace prometheus.Counter
)
View Source 
var (
	GCWorkerCounter                        *prometheus.CounterVec
	GCHistogram                            *prometheus.HistogramVec
	GCConfigGauge                          *prometheus.GaugeVec
	GCJobFailureCounter                    *prometheus.CounterVec
	GCActionRegionResultCounter            *prometheus.CounterVec
	GCRegionTooManyLocksCounter            prometheus.Counter
	GCUnsafeDestroyRangeFailuresCounterVec *prometheus.CounterVec
)

Metrics for the GC worker.

View Source 
var (
	// GlobalSortWriteToCloudStorageDuration records the duration of writing to cloud storage.
	GlobalSortWriteToCloudStorageDuration *prometheus.HistogramVec
	// GlobalSortWriteToCloudStorageRate records the rate of writing to cloud storage.
	GlobalSortWriteToCloudStorageRate *prometheus.HistogramVec
	// GlobalSortReadFromCloudStorageDuration records the duration of reading from cloud storage.
	GlobalSortReadFromCloudStorageDuration *prometheus.HistogramVec
	// GlobalSortReadFromCloudStorageRate records the rate of reading from cloud storage.
	GlobalSortReadFromCloudStorageRate *prometheus.HistogramVec
	// GlobalSortIngestWorkerCnt records the working number of ingest workers.
	GlobalSortIngestWorkerCnt *prometheus.GaugeVec
	// GlobalSortUploadWorkerCount is the gauge of active parallel upload worker count.
	GlobalSortUploadWorkerCount prometheus.Gauge
)
View Source 
var (
	// InfoSchemaV2CacheCounter records the counter of infoschema v2 cache hit/miss/evict.
	InfoSchemaV2CacheCounter *prometheus.CounterVec
	// InfoSchemaV2CacheMemUsage records the memory size of infoschema v2 cache.
	InfoSchemaV2CacheMemUsage prometheus.Gauge
	// InfoSchemaV2CacheMemLimit records the memory limit of infoschema v2 cache.
	InfoSchemaV2CacheMemLimit prometheus.Gauge
	// TableByNameDuration records the duration of TableByName API for infoschema v2.
	TableByNameDuration *prometheus.HistogramVec
	// TableByNameHitDuration is TableByNameDuration with label type "hit"
	TableByNameHitDuration prometheus.Observer
	// TableByNameMissDuration is TableByNameDuration with label type "miss"
	TableByNameMissDuration prometheus.Observer
)
View Source 
var (
	LastCheckpoint                    *prometheus.GaugeVec
	AdvancerOwner                     prometheus.Gauge
	AdvancerTickDuration              *prometheus.HistogramVec
	GetCheckpointBatchSize            *prometheus.HistogramVec
	RegionCheckpointRequest           *prometheus.CounterVec
	RegionCheckpointFailure           *prometheus.CounterVec
	RegionCheckpointSubscriptionEvent *prometheus.HistogramVec

	LogBackupCurrentLastRegionID            prometheus.Gauge
	LogBackupCurrentLastRegionLeaderStoreID prometheus.Gauge
)

log backup metrics. see the `Help` field for details.

View Source 
var (
	GlobalAutoID      = "global"
	TableAutoIDAlloc  = "alloc"
	TableAutoIDRebase = "rebase"
	AutoIDHistogram   *prometheus.HistogramVec

	GetSchemaDiff    = "get_schema_diff"
	SetSchemaDiff    = "set_schema_diff"
	GetHistoryDDLJob = "get_history_ddl_job"

	MetaHistogram          *prometheus.HistogramVec
	ResetAutoIDConnCounter prometheus.Counter
)

Metrics

View Source 
var (
	// PanicCounter measures the count of panics.
	PanicCounter *prometheus.CounterVec

	// MemoryUsage measures the usage gauge of memory.
	MemoryUsage *prometheus.GaugeVec
)
View Source 
var (
	NewSessionHistogram *prometheus.HistogramVec

	WatcherClosed     = "watcher_closed"
	Cancelled         = "cancelled"
	Deleted           = "deleted"
	PutValue          = "put_value"
	SessionDone       = "session_done"
	CtxDone           = "context_done"
	WatchOwnerCounter *prometheus.CounterVec

	NoLongerOwner        = "no_longer_owner"
	CampaignOwnerCounter *prometheus.CounterVec
)

Metrics

View Source 
var (
	// EMACPUUsageGauge means exponential moving average of CPU usage
	EMACPUUsageGauge prometheus.Gauge

	// PoolConcurrencyCounter means how much concurrency in the pool
	PoolConcurrencyCounter *prometheus.GaugeVec
)
View Source 
var (
	PacketIOCounter            *prometheus.CounterVec
	QueryDurationHistogram     *prometheus.HistogramVec
	QueryRPCHistogram          *prometheus.HistogramVec
	QueryProcessedKeyHistogram *prometheus.HistogramVec
	QueryTotalCounter          *prometheus.CounterVec
	ConnGauge                  *prometheus.GaugeVec
	DisconnectionCounter       *prometheus.CounterVec
	PreparedStmtGauge          prometheus.Gauge
	ExecuteErrorCounter        *prometheus.CounterVec
	CriticalErrorCounter       prometheus.Counter

	ServerStart = "server-start"
	ServerStop  = "server-stop"

	// Eventkill occurs when the server.Kill() function is called.
	EventKill = "kill"

	ServerEventCounter              *prometheus.CounterVec
	TimeJumpBackCounter             prometheus.Counter
	PlanCacheCounter                *prometheus.CounterVec
	PlanCacheMissCounter            *prometheus.CounterVec
	PlanCacheInstanceMemoryUsage    *prometheus.GaugeVec
	PlanCacheInstancePlanNumCounter *prometheus.GaugeVec
	PlanCacheProcessDuration        *prometheus.HistogramVec
	ReadFromTableCacheCounter       prometheus.Counter
	HandShakeErrorCounter           prometheus.Counter
	GetTokenDurationHistogram       prometheus.Histogram
	NumOfMultiQueryHistogram        prometheus.Histogram
	TotalQueryProcHistogram         *prometheus.HistogramVec
	TotalCopProcHistogram           *prometheus.HistogramVec
	TotalCopWaitHistogram           *prometheus.HistogramVec
	CopMVCCRatioHistogram           *prometheus.HistogramVec
	MaxProcs                        prometheus.Gauge
	GOGC                            prometheus.Gauge
	ConnIdleDurationHistogram       *prometheus.HistogramVec
	ServerInfo                      *prometheus.GaugeVec
	TokenGauge                      prometheus.Gauge
	ConfigStatus                    *prometheus.GaugeVec
	TiFlashQueryTotalCounter        *prometheus.CounterVec
	TiFlashFailedMPPStoreState      *prometheus.GaugeVec
	PDAPIExecutionHistogram         *prometheus.HistogramVec
	PDAPIRequestCounter             *prometheus.CounterVec
	CPUProfileCounter               prometheus.Counter
	LoadTableCacheDurationHistogram prometheus.Histogram
	RCCheckTSWriteConfilictCounter  *prometheus.CounterVec
	MemoryLimit                     prometheus.Gauge
	InternalSessions                prometheus.Gauge
)

Metrics

View Source 
var (
	AutoIDReqDuration                  prometheus.Histogram
	SessionExecuteParseDuration        *prometheus.HistogramVec
	SessionExecuteCompileDuration      *prometheus.HistogramVec
	SessionExecuteRunDuration          *prometheus.HistogramVec
	SchemaLeaseErrorCounter            *prometheus.CounterVec
	SessionRetry                       *prometheus.HistogramVec
	SessionRetryErrorCounter           *prometheus.CounterVec
	SessionRestrictedSQLCounter        prometheus.Counter
	StatementPerTransaction            *prometheus.HistogramVec
	TransactionDuration                *prometheus.HistogramVec
	StatementDeadlockDetectDuration    prometheus.Histogram
	StatementPessimisticRetryCount     prometheus.Histogram
	StatementLockKeysCount             prometheus.Histogram
	ValidateReadTSFromPDCount          prometheus.Counter
	NonTransactionalDMLCount           *prometheus.CounterVec
	TxnStatusEnteringCounter           *prometheus.CounterVec
	TxnDurationHistogram               *prometheus.HistogramVec
	LazyPessimisticUniqueCheckSetCount prometheus.Counter
	PessimisticDMLDurationByAttempt    *prometheus.HistogramVec
	ResourceGroupQueryTotalCounter     *prometheus.CounterVec
	FairLockingUsageCount              *prometheus.CounterVec
)

Session metrics.

View Source 
var (
	// SmallTxnWriteDuration uses to collect small transaction write duration.
	SmallTxnWriteDuration prometheus.Histogram
	// TxnWriteThroughput uses to collect transaction write throughput which transaction is not small.
	TxnWriteThroughput prometheus.Histogram
)
View Source 
var (
	AutoAnalyzeHistogram      prometheus.Histogram
	AutoAnalyzeCounter        *prometheus.CounterVec
	StatsInaccuracyRate       prometheus.Histogram
	PseudoEstimation          *prometheus.CounterVec
	SyncLoadCounter           prometheus.Counter
	SyncLoadTimeoutCounter    prometheus.Counter
	SyncLoadDedupCounter      prometheus.Counter
	SyncLoadHistogram         prometheus.Histogram
	ReadStatsHistogram        prometheus.Histogram
	StatsCacheCounter         *prometheus.CounterVec
	StatsCacheGauge           *prometheus.GaugeVec
	StatsHealthyGauge         *prometheus.GaugeVec
	StatsDeltaLoadHistogram   prometheus.Histogram
	StatsDeltaUpdateHistogram prometheus.Histogram

	HistoricalStatsCounter        *prometheus.CounterVec
	PlanReplayerTaskCounter       *prometheus.CounterVec
	PlanReplayerRegisterTaskGauge prometheus.Gauge
)

Stats metrics.

View Source 
var (
	TopSQLIgnoredCounter          *prometheus.CounterVec
	TopSQLReportDurationHistogram *prometheus.HistogramVec
	TopSQLReportDataHistogram     *prometheus.HistogramVec
)

Top SQL metrics.

View Source 
var (
	TTLQueryDuration *prometheus.HistogramVec

	TTLProcessedExpiredRowsCounter *prometheus.CounterVec

	TTLJobStatus *prometheus.GaugeVec

	TTLTaskStatus *prometheus.GaugeVec

	TTLPhaseTime *prometheus.CounterVec

	TTLInsertRowsCount prometheus.Counter

	TTLWatermarkDelay *prometheus.GaugeVec

	TTLEventCounter *prometheus.CounterVec

	TTLSyncTimerCounter prometheus.Counter

	TTLFullRefreshTimersCounter prometheus.Counter
)

TTL metrics

View Source 
var (
	// ResettablePlanCacheCounterFortTest be used to support reset counter in test.
	ResettablePlanCacheCounterFortTest = false
)
View Source 
var (
	RunawayCheckerCounter *prometheus.CounterVec
)

Metrics Query duration by query is QueryDurationHistogram in `server.go`.

Functions

func ExecuteErrorToLabel 

func ExecuteErrorToLabel(err error) string

ExecuteErrorToLabel converts an execute error to label.

func GenerateReorgLabel 

func GenerateReorgLabel(label string, schemaName string, tableName string) string

GenerateReorgLabel returns the label with schema name and table name.

func GetBackfillProgressByLabel 

func GetBackfillProgressByLabel(label string, schemaName string, tableName string) prometheus.Gauge

GetBackfillProgressByLabel returns the Gauge showing the percentage progress for the given type label.

func GetRegisteredImportMetrics 

func GetRegisteredImportMetrics(factory promutil.Factory, constLabels prometheus.Labels) *metric.Common

GetRegisteredImportMetrics returns the registered import metrics.

func InitBindInfoMetrics 

func InitBindInfoMetrics()

InitBindInfoMetrics initializes bindinfo metrics.

func InitDDLMetrics 

func InitDDLMetrics()

InitDDLMetrics initializes defines DDL metrics.

func InitDistSQLMetrics 

func InitDistSQLMetrics()

InitDistSQLMetrics initializes distsql metrics.

func InitDistTaskMetrics 

func InitDistTaskMetrics()

InitDistTaskMetrics initializes disttask metrics.

func InitDomainMetrics 

func InitDomainMetrics()

InitDomainMetrics initializes domain metrics.

func InitExecutorMetrics 

func InitExecutorMetrics()

InitExecutorMetrics initializes excutor metrics.

func InitGCWorkerMetrics 

func InitGCWorkerMetrics()

InitGCWorkerMetrics initializes GC worker metrics.

func InitGlobalSortMetrics 

func InitGlobalSortMetrics()

InitGlobalSortMetrics initializes defines global sort metrics.

func InitInfoSchemaV2Metrics 

func InitInfoSchemaV2Metrics()

InitInfoSchemaV2Metrics intializes infoschema v2 related metrics.

func InitLogBackupMetrics 

func InitLogBackupMetrics()

InitLogBackupMetrics initializes log backup metrics.

func InitMetaMetrics 

func InitMetaMetrics()

InitMetaMetrics initializes meta metrics.

func InitMetrics 

func InitMetrics()

InitMetrics is used to initialize metrics.

func InitOwnerMetrics 

func InitOwnerMetrics()

InitOwnerMetrics initializes owner metrics.

func InitResourceGroupMetrics 

func InitResourceGroupMetrics()

InitResourceGroupMetrics initializes resource group metrics.

func InitResourceManagerMetrics 

func InitResourceManagerMetrics()

InitResourceManagerMetrics initializes resource manager metrics.

func InitServerMetrics 

func InitServerMetrics()

InitServerMetrics initializes server metrics.

func InitSessionMetrics 

func InitSessionMetrics()

InitSessionMetrics initializes session metrics.

func InitSliMetrics 

func InitSliMetrics()

InitSliMetrics initializes sli metrics.

func InitStatsMetrics 

func InitStatsMetrics()

InitStatsMetrics initializes stats metrics.

func InitTTLMetrics 

func InitTTLMetrics()

InitTTLMetrics initializes ttl metrics.

func InitTopSQLMetrics 

func InitTopSQLMetrics()

InitTopSQLMetrics initializes top-sql metrics.

func NewCounter 

func NewCounter(opts prometheus.CounterOpts) prometheus.Counter

NewCounter wraps a prometheus.NewCounter.

func NewCounterVec 

func NewCounterVec(opts prometheus.CounterOpts, labelNames []string) *prometheus.CounterVec

NewCounterVec wraps a prometheus.NewCounterVec.

func NewGauge 

func NewGauge(opts prometheus.GaugeOpts) prometheus.Gauge

NewGauge wraps a prometheus.NewGauge.

func NewGaugeVec 

func NewGaugeVec(opts prometheus.GaugeOpts, labelNames []string) *prometheus.GaugeVec

NewGaugeVec wraps a prometheus.NewGaugeVec.

func NewHistogram 

func NewHistogram(opts prometheus.HistogramOpts) prometheus.Histogram

NewHistogram wraps a prometheus.NewHistogram.

func NewHistogramVec 

func NewHistogramVec(opts prometheus.HistogramOpts, labelNames []string) *prometheus.HistogramVec

NewHistogramVec wraps a prometheus.NewHistogramVec.

func NewSummaryVec 

func NewSummaryVec(opts prometheus.SummaryOpts, labelNames []string) *prometheus.SummaryVec

NewSummaryVec wraps a prometheus.NewSummaryVec.

func RegisterMetrics 

func RegisterMetrics()

RegisterMetrics registers the metrics which are ONLY used in TiDB server.

func RetLabel 

func RetLabel(err error) string

RetLabel returns "ok" when err == nil and "err" when err != nil. This could be useful when you need to observe the operation result.

func SetConstLabels 

func SetConstLabels(kv ...string)

SetConstLabels sets constant labels for metrics.

func ToggleSimplifiedMode 

func ToggleSimplifiedMode(simplified bool)

ToggleSimplifiedMode is used to register/unregister the metrics that unused by grafana.

func UnregisterImportMetrics 

func UnregisterImportMetrics(metrics *metric.Common)

UnregisterImportMetrics unregisters the registered import metrics.

func UpdateMetricsForAddTask 

func UpdateMetricsForAddTask(task *proto.TaskBase)

UpdateMetricsForAddTask update metrics when a task is added

func UpdateMetricsForFinishTask 

func UpdateMetricsForFinishTask(task *proto.Task)

UpdateMetricsForFinishTask update metrics when a task is finished

func UpdateMetricsForRunTask 

func UpdateMetricsForRunTask(task *proto.Task)

UpdateMetricsForRunTask update metrics when a task starts running

func UpdateMetricsForScheduleTask 

func UpdateMetricsForScheduleTask(task *proto.TaskBase)

UpdateMetricsForScheduleTask update metrics when a task is added

Types

This section is empty.

Source Files

View all Source files

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