metrics

package
v0.0.0-...-503c688 Latest Latest
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 Go to latest Published: Nov 8, 2023 License: Apache-2.0 Imports: 12 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 (
	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"

	LblName = "name"

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

Label constants.

Variables

View Source 
var (
	BindUsageCounter *prometheus.CounterVec
	BindTotalGauge   *prometheus.GaugeVec
	BindMemoryUsage  *prometheus.GaugeVec
)

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 ddl_worker.go.
	WorkerNotifyDDLJob      = "notify_job"
	WorkerAddDDLJob         = "add_job"
	WorkerRunDDLJob         = "run_job"
	WorkerFinishDDLJob      = "finish_job"
	WorkerWaitSchemaChanged = "wait_schema_changed"
	DDLWorkerHistogram      *prometheus.HistogramVec

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

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

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

	// LoadSchemaDuration records the duration of load schema.
	LoadSchemaDuration prometheus.Histogram

	// 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
)
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 (
	LastCheckpoint                    *prometheus.GaugeVec
	AdvancerOwner                     prometheus.Gauge
	AdvancerTickDuration              *prometheus.HistogramVec
	GetCheckpointBatchSize            *prometheus.HistogramVec
	RegionCheckpointRequest           *prometheus.CounterVec
	RegionCheckpointFailure           *prometheus.CounterVec
	RegionCheckpointSubscriptionEvent *prometheus.HistogramVec
)

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
)

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
	QueryTotalCounter      *prometheus.CounterVec
	AffectedRowsCounter    *prometheus.CounterVec
	ConnGauge              prometheus.Gauge
	DisconnectionCounter   *prometheus.CounterVec
	PreparedStmtGauge      prometheus.Gauge
	ExecuteErrorCounter    *prometheus.CounterVec
	CriticalErrorCounter   prometheus.Counter

	EventStart        = "start"
	EventGracefulDown = "graceful_shutdown"
	// Eventkill occurs when the server.Kill() function is called.
	EventKill  = "kill"
	EventClose = "close"

	ServerEventCounter              *prometheus.CounterVec
	TimeJumpBackCounter             prometheus.Counter
	PlanCacheCounter                *prometheus.CounterVec
	PlanCacheMissCounter            *prometheus.CounterVec
	PlanCacheInstanceMemoryUsage    *prometheus.GaugeVec
	PlanCacheInstancePlanNumCounter *prometheus.GaugeVec
	ReadFromTableCacheCounter       prometheus.Counter
	HandShakeErrorCounter           prometheus.Counter
	GetTokenDurationHistogram       prometheus.Histogram
	NumOfMultiQueryHistogram        prometheus.Histogram
	TotalQueryProcHistogram         *prometheus.HistogramVec
	TotalCopProcHistogram           *prometheus.HistogramVec
	TotalCopWaitHistogram           *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
)

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
	DumpFeedbackCounter        *prometheus.CounterVec
	UpdateStatsCounter         *prometheus.CounterVec
	StoreQueryFeedbackCounter  *prometheus.CounterVec
	SignificantFeedbackCounter prometheus.Counter
	FastAnalyzeHistogram       *prometheus.HistogramVec
	SyncLoadCounter            prometheus.Counter
	SyncLoadTimeoutCounter     prometheus.Counter
	SyncLoadHistogram          prometheus.Histogram
	ReadStatsHistogram         prometheus.Histogram
	StatsCacheLRUCounter       *prometheus.CounterVec
	StatsCacheLRUGauge         *prometheus.GaugeVec
	StatsHealthyGauge          *prometheus.GaugeVec

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

Stats metrics.

View Source 
var (
	TelemetrySQLCTECnt                                 *prometheus.CounterVec
	TelemetryMultiSchemaChangeCnt                      prometheus.Counter
	TelemetryTablePartitionCnt                         prometheus.Counter
	TelemetryTablePartitionListCnt                     prometheus.Counter
	TelemetryTablePartitionRangeCnt                    prometheus.Counter
	TelemetryTablePartitionHashCnt                     prometheus.Counter
	TelemetryTablePartitionRangeColumnsCnt             prometheus.Counter
	TelemetryTablePartitionRangeColumnsGt1Cnt          prometheus.Counter
	TelemetryTablePartitionRangeColumnsGt2Cnt          prometheus.Counter
	TelemetryTablePartitionRangeColumnsGt3Cnt          prometheus.Counter
	TelemetryTablePartitionListColumnsCnt              prometheus.Counter
	TelemetryTablePartitionMaxPartitionsCnt            prometheus.Counter
	TelemetryAccountLockCnt                            *prometheus.CounterVec
	TelemetryTablePartitionCreateIntervalPartitionsCnt prometheus.Counter
	TelemetryTablePartitionAddIntervalPartitionsCnt    prometheus.Counter
	TelemetryTablePartitionDropIntervalPartitionsCnt   prometheus.Counter
	TelemetryExchangePartitionCnt                      prometheus.Counter
	TelemetryAddIndexIngestCnt                         prometheus.Counter
	TelemetryFlashbackClusterCnt                       prometheus.Counter
	TelemetryIndexMergeUsage                           prometheus.Counter
	TelemetryCompactPartitionCnt                       prometheus.Counter
	TelemetryReorganizePartitionCnt                    prometheus.Counter
	TelemetryDistReorgCnt                              prometheus.Counter
	TelemetryStoreBatchedQueryCnt                      prometheus.Counter
	TelemetryBatchedQueryTaskCnt                       prometheus.Counter
	TelemetryStoreBatchedCnt                           prometheus.Counter
	TelemetryStoreBatchedFallbackCnt                   prometheus.Counter
)

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
)

TTL metrics

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

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 GetLazyPessimisticUniqueCheckSetCounter 

func GetLazyPessimisticUniqueCheckSetCounter() int64

GetLazyPessimisticUniqueCheckSetCounter returns the counter of setting tidb_constraint_check_in_place_pessimistic to false.

func GetSavepointStmtCounter 

func GetSavepointStmtCounter() int64

GetSavepointStmtCounter gets the savepoint statement executed counter.

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 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 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 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 InitTelemetryMetrics 

func InitTelemetryMetrics()

InitTelemetryMetrics initializes telemetry 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.

Types

type AccountLockCounter 

type AccountLockCounter struct {
	LockUser          int64 `json:"lockUser"`
	UnlockUser        int64 `json:"unlockUser"`
	CreateOrAlterUser int64 `json:"createOrAlterUser"`
}

AccountLockCounter records the number of lock users/roles

func GetAccountLockCounter 

func GetAccountLockCounter() AccountLockCounter

GetAccountLockCounter gets the AccountLockCounter

func (AccountLockCounter) Sub 

func (c AccountLockCounter) Sub(rhs AccountLockCounter) AccountLockCounter

Sub returns the difference of two counters.

type CTEUsageCounter 

type CTEUsageCounter struct {
	NonRecursiveCTEUsed int64 `json:"nonRecursiveCTEUsed"`
	RecursiveUsed       int64 `json:"recursiveUsed"`
	NonCTEUsed          int64 `json:"nonCTEUsed"`
}

CTEUsageCounter records the usages of CTE.

func GetCTECounter 

func GetCTECounter() CTEUsageCounter

GetCTECounter gets the TxnCommitCounter.

func (CTEUsageCounter) Sub 

func (c CTEUsageCounter) Sub(rhs CTEUsageCounter) CTEUsageCounter

Sub returns the difference of two counters.

type DDLUsageCounter 

type DDLUsageCounter struct {
	AddIndexIngestUsed   int64 `json:"add_index_ingest_used"`
	MetadataLockUsed     bool  `json:"metadata_lock_used"`
	FlashbackClusterUsed int64 `json:"flashback_cluster_used"`
	DistReorgUsed        int64 `json:"dist_reorg_used"`
}

DDLUsageCounter records the usages of DDL related features.

func GetDDLUsageCounter 

func GetDDLUsageCounter() DDLUsageCounter

GetDDLUsageCounter gets the add index acceleration solution counts.

func (DDLUsageCounter) Sub 

func (a DDLUsageCounter) Sub(rhs DDLUsageCounter) DDLUsageCounter

Sub returns the difference of two counters.

type ExchangePartitionUsageCounter 

type ExchangePartitionUsageCounter struct {
	ExchangePartitionCnt int64 `json:"exchange_partition_cnt"`
}

ExchangePartitionUsageCounter records the usages of exchange partition.

func GetExchangePartitionCounter 

func GetExchangePartitionCounter() ExchangePartitionUsageCounter

GetExchangePartitionCounter gets the TxnCommitCounter.

func (ExchangePartitionUsageCounter) Sub 

func (c ExchangePartitionUsageCounter) Sub(rhs ExchangePartitionUsageCounter) ExchangePartitionUsageCounter

Sub returns the difference of two counters.

type FairLockingUsageCounter 

type FairLockingUsageCounter struct {
	TxnFairLockingUsed      int64 `json:"txn_fair_locking_used"`
	TxnFairLockingEffective int64 `json:"txn_fair_locking_effective"`
}

FairLockingUsageCounter records the usage of Fair Locking feature of pessimistic transaction.

func GetFairLockingUsageCounter 

func GetFairLockingUsageCounter() FairLockingUsageCounter

GetFairLockingUsageCounter returns the Fair Locking usage counter.

func (FairLockingUsageCounter) Sub 

func (i FairLockingUsageCounter) Sub(rhs FairLockingUsageCounter) FairLockingUsageCounter

Sub returns the difference of two counters.

type IndexMergeUsageCounter 

type IndexMergeUsageCounter struct {
	IndexMergeUsed int64 `json:"index_merge_used"`
}

IndexMergeUsageCounter records the usages of IndexMerge feature.

func GetIndexMergeCounter 

func GetIndexMergeCounter() IndexMergeUsageCounter

GetIndexMergeCounter gets the IndexMerge usage counter.

func (IndexMergeUsageCounter) Sub 

func (i IndexMergeUsageCounter) Sub(rhs IndexMergeUsageCounter) IndexMergeUsageCounter

Sub returns the difference of two counters.

type MultiSchemaChangeUsageCounter 

type MultiSchemaChangeUsageCounter struct {
	MultiSchemaChangeUsed int64 `json:"multi_schema_change_used"`
}

MultiSchemaChangeUsageCounter records the usages of multi-schema change.

func GetMultiSchemaCounter 

func GetMultiSchemaCounter() MultiSchemaChangeUsageCounter

GetMultiSchemaCounter gets the TxnCommitCounter.

func (MultiSchemaChangeUsageCounter) Sub 

func (c MultiSchemaChangeUsageCounter) Sub(rhs MultiSchemaChangeUsageCounter) MultiSchemaChangeUsageCounter

Sub returns the difference of two counters.

type NonTransactionalStmtCounter 

type NonTransactionalStmtCounter struct {
	DeleteCount int64 `json:"delete"`
	UpdateCount int64 `json:"update"`
	InsertCount int64 `json:"insert"`
}

NonTransactionalStmtCounter records the usages of non-transactional statements.

func GetNonTransactionalStmtCounter 

func GetNonTransactionalStmtCounter() NonTransactionalStmtCounter

GetNonTransactionalStmtCounter gets the NonTransactionalStmtCounter.

func (NonTransactionalStmtCounter) Sub 

func (n NonTransactionalStmtCounter) Sub(rhs NonTransactionalStmtCounter) NonTransactionalStmtCounter

Sub returns the difference of two counters.

type StoreBatchCoprCounter 

type StoreBatchCoprCounter struct {
	// BatchSize is the global value of `tidb_store_batch_size`
	BatchSize int `json:"batch_size"`
	// BatchedQuery is the counter of queries that use this feature.
	BatchedQuery int64 `json:"query"`
	// BatchedQueryTask is the counter of total tasks in queries above.
	BatchedQueryTask int64 `json:"tasks"`
	// BatchedCount is the counter of successfully batched tasks.
	BatchedCount int64 `json:"batched"`
	// BatchedFallbackCount is the counter of fallback batched tasks by region miss.
	BatchedFallbackCount int64 `json:"batched_fallback"`
}

StoreBatchCoprCounter records the usages of batch copr statements.

func GetStoreBatchCoprCounter 

func GetStoreBatchCoprCounter() StoreBatchCoprCounter

GetStoreBatchCoprCounter gets the IndexMerge usage counter.

func (StoreBatchCoprCounter) Sub 

func (n StoreBatchCoprCounter) Sub(rhs StoreBatchCoprCounter) StoreBatchCoprCounter

Sub returns the difference of two counters.

type TablePartitionUsageCounter 

type TablePartitionUsageCounter struct {
	TablePartitionCnt                         int64 `json:"table_partition_cnt"`
	TablePartitionListCnt                     int64 `json:"table_partition_list_cnt"`
	TablePartitionRangeCnt                    int64 `json:"table_partition_range_cnt"`
	TablePartitionHashCnt                     int64 `json:"table_partition_hash_cnt"`
	TablePartitionRangeColumnsCnt             int64 `json:"table_partition_range_columns_cnt"`
	TablePartitionRangeColumnsGt1Cnt          int64 `json:"table_partition_range_columns_gt_1_cnt"`
	TablePartitionRangeColumnsGt2Cnt          int64 `json:"table_partition_range_columns_gt_2_cnt"`
	TablePartitionRangeColumnsGt3Cnt          int64 `json:"table_partition_range_columns_gt_3_cnt"`
	TablePartitionListColumnsCnt              int64 `json:"table_partition_list_columns_cnt"`
	TablePartitionMaxPartitionsCnt            int64 `json:"table_partition_max_partitions_cnt"`
	TablePartitionCreateIntervalPartitionsCnt int64 `json:"table_partition_create_interval_partitions_cnt"`
	TablePartitionAddIntervalPartitionsCnt    int64 `json:"table_partition_add_interval_partitions_cnt"`
	TablePartitionDropIntervalPartitionsCnt   int64 `json:"table_partition_drop_interval_partitions_cnt"`
	TablePartitionComactCnt                   int64 `json:"table_TablePartitionComactCnt"`
	TablePartitionReorganizePartitionCnt      int64 `json:"table_reorganize_partition_cnt"`
}

TablePartitionUsageCounter records the usages of table partition.

func GetTablePartitionCounter 

func GetTablePartitionCounter() TablePartitionUsageCounter

GetTablePartitionCounter gets the TxnCommitCounter.

func ResetTablePartitionCounter 

func ResetTablePartitionCounter(pre TablePartitionUsageCounter) TablePartitionUsageCounter

ResetTablePartitionCounter gets the TxnCommitCounter.

func (TablePartitionUsageCounter) Cal 

func (c TablePartitionUsageCounter) Cal(rhs TablePartitionUsageCounter) TablePartitionUsageCounter

Cal returns the difference of two counters.

Source Files

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