stmtsummary

package
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 Go to latest Published: Nov 28, 2024 License: Apache-2.0 Imports: 29 Imported by: 0

Documentation

Index

Constants

View Source 
const (
	ClusterTableInstanceColumnNameStr = "INSTANCE"
	SummaryBeginTimeStr               = "SUMMARY_BEGIN_TIME"
	SummaryEndTimeStr                 = "SUMMARY_END_TIME"
	StmtTypeStr                       = "STMT_TYPE"
	SchemaNameStr                     = "SCHEMA_NAME"
	DigestStr                         = "DIGEST"
	DigestTextStr                     = "DIGEST_TEXT"
	TableNamesStr                     = "TABLE_NAMES"
	IndexNamesStr                     = "INDEX_NAMES"
	SampleUserStr                     = "SAMPLE_USER"
	ExecCountStr                      = "EXEC_COUNT"
	SumErrorsStr                      = "SUM_ERRORS"
	SumWarningsStr                    = "SUM_WARNINGS"
	SumLatencyStr                     = "SUM_LATENCY"
	MaxLatencyStr                     = "MAX_LATENCY"
	MinLatencyStr                     = "MIN_LATENCY"
	AvgLatencyStr                     = "AVG_LATENCY"
	AvgParseLatencyStr                = "AVG_PARSE_LATENCY"
	MaxParseLatencyStr                = "MAX_PARSE_LATENCY"
	AvgCompileLatencyStr              = "AVG_COMPILE_LATENCY"
	MaxCompileLatencyStr              = "MAX_COMPILE_LATENCY"
	SumCopTaskNumStr                  = "SUM_COP_TASK_NUM"
	MaxCopProcessTimeStr              = "MAX_COP_PROCESS_TIME"
	MaxCopProcessAddressStr           = "MAX_COP_PROCESS_ADDRESS"
	MaxCopWaitTimeStr                 = "MAX_COP_WAIT_TIME"    // #nosec G101
	MaxCopWaitAddressStr              = "MAX_COP_WAIT_ADDRESS" // #nosec G101
	AvgProcessTimeStr                 = "AVG_PROCESS_TIME"
	MaxProcessTimeStr                 = "MAX_PROCESS_TIME"
	AvgWaitTimeStr                    = "AVG_WAIT_TIME"
	MaxWaitTimeStr                    = "MAX_WAIT_TIME"
	AvgBackoffTimeStr                 = "AVG_BACKOFF_TIME"
	MaxBackoffTimeStr                 = "MAX_BACKOFF_TIME"
	AvgTotalKeysStr                   = "AVG_TOTAL_KEYS"
	MaxTotalKeysStr                   = "MAX_TOTAL_KEYS"
	AvgProcessedKeysStr               = "AVG_PROCESSED_KEYS"
	MaxProcessedKeysStr               = "MAX_PROCESSED_KEYS"
	AvgRocksdbDeleteSkippedCountStr   = "AVG_ROCKSDB_DELETE_SKIPPED_COUNT"
	MaxRocksdbDeleteSkippedCountStr   = "MAX_ROCKSDB_DELETE_SKIPPED_COUNT"
	AvgRocksdbKeySkippedCountStr      = "AVG_ROCKSDB_KEY_SKIPPED_COUNT"
	MaxRocksdbKeySkippedCountStr      = "MAX_ROCKSDB_KEY_SKIPPED_COUNT"
	AvgRocksdbBlockCacheHitCountStr   = "AVG_ROCKSDB_BLOCK_CACHE_HIT_COUNT"
	MaxRocksdbBlockCacheHitCountStr   = "MAX_ROCKSDB_BLOCK_CACHE_HIT_COUNT"
	AvgRocksdbBlockReadCountStr       = "AVG_ROCKSDB_BLOCK_READ_COUNT"
	MaxRocksdbBlockReadCountStr       = "MAX_ROCKSDB_BLOCK_READ_COUNT"
	AvgRocksdbBlockReadByteStr        = "AVG_ROCKSDB_BLOCK_READ_BYTE"
	MaxRocksdbBlockReadByteStr        = "MAX_ROCKSDB_BLOCK_READ_BYTE"
	AvgPrewriteTimeStr                = "AVG_PREWRITE_TIME"
	MaxPrewriteTimeStr                = "MAX_PREWRITE_TIME"
	AvgCommitTimeStr                  = "AVG_COMMIT_TIME"
	MaxCommitTimeStr                  = "MAX_COMMIT_TIME"
	AvgGetCommitTsTimeStr             = "AVG_GET_COMMIT_TS_TIME"
	MaxGetCommitTsTimeStr             = "MAX_GET_COMMIT_TS_TIME"
	AvgCommitBackoffTimeStr           = "AVG_COMMIT_BACKOFF_TIME"
	MaxCommitBackoffTimeStr           = "MAX_COMMIT_BACKOFF_TIME"
	AvgResolveLockTimeStr             = "AVG_RESOLVE_LOCK_TIME"
	MaxResolveLockTimeStr             = "MAX_RESOLVE_LOCK_TIME"
	AvgLocalLatchWaitTimeStr          = "AVG_LOCAL_LATCH_WAIT_TIME"
	MaxLocalLatchWaitTimeStr          = "MAX_LOCAL_LATCH_WAIT_TIME"
	AvgWriteKeysStr                   = "AVG_WRITE_KEYS"
	MaxWriteKeysStr                   = "MAX_WRITE_KEYS"
	AvgWriteSizeStr                   = "AVG_WRITE_SIZE"
	MaxWriteSizeStr                   = "MAX_WRITE_SIZE"
	AvgPrewriteRegionsStr             = "AVG_PREWRITE_REGIONS"
	MaxPrewriteRegionsStr             = "MAX_PREWRITE_REGIONS"
	AvgTxnRetryStr                    = "AVG_TXN_RETRY"
	MaxTxnRetryStr                    = "MAX_TXN_RETRY"
	SumExecRetryStr                   = "SUM_EXEC_RETRY"
	SumExecRetryTimeStr               = "SUM_EXEC_RETRY_TIME"
	SumBackoffTimesStr                = "SUM_BACKOFF_TIMES"
	BackoffTypesStr                   = "BACKOFF_TYPES"
	AvgMemStr                         = "AVG_MEM"
	MaxMemStr                         = "MAX_MEM"
	AvgDiskStr                        = "AVG_DISK"
	MaxDiskStr                        = "MAX_DISK"
	AvgKvTimeStr                      = "AVG_KV_TIME"
	AvgPdTimeStr                      = "AVG_PD_TIME"
	AvgBackoffTotalTimeStr            = "AVG_BACKOFF_TOTAL_TIME"
	AvgWriteSQLRespTimeStr            = "AVG_WRITE_SQL_RESP_TIME"
	AvgTidbCPUTimeStr                 = "AVG_TIDB_CPU_TIME"
	AvgTikvCPUTimeStr                 = "AVG_TIKV_CPU_TIME"
	MaxResultRowsStr                  = "MAX_RESULT_ROWS"
	MinResultRowsStr                  = "MIN_RESULT_ROWS"
	AvgResultRowsStr                  = "AVG_RESULT_ROWS"
	PreparedStr                       = "PREPARED"
	AvgAffectedRowsStr                = "AVG_AFFECTED_ROWS"
	FirstSeenStr                      = "FIRST_SEEN"
	LastSeenStr                       = "LAST_SEEN"
	PlanInCacheStr                    = "PLAN_IN_CACHE"
	PlanCacheHitsStr                  = "PLAN_CACHE_HITS"
	PlanCacheUnqualifiedStr           = "PLAN_CACHE_UNQUALIFIED"
	PlanCacheUnqualifiedLastReasonStr = "PLAN_CACHE_UNQUALIFIED_LAST_REASON"
	PlanInBindingStr                  = "PLAN_IN_BINDING"
	QuerySampleTextStr                = "QUERY_SAMPLE_TEXT"
	PrevSampleTextStr                 = "PREV_SAMPLE_TEXT"
	PlanDigestStr                     = "PLAN_DIGEST"
	PlanStr                           = "PLAN"
	BinaryPlan                        = "BINARY_PLAN"
	Charset                           = "CHARSET"
	Collation                         = "COLLATION"
	PlanHint                          = "PLAN_HINT"
	AvgRequestUnitReadStr             = "AVG_REQUEST_UNIT_READ"
	MaxRequestUnitReadStr             = "MAX_REQUEST_UNIT_READ"
	AvgRequestUnitWriteStr            = "AVG_REQUEST_UNIT_WRITE"
	MaxRequestUnitWriteStr            = "MAX_REQUEST_UNIT_WRITE"
	AvgQueuedRcTimeStr                = "AVG_QUEUED_RC_TIME"
	MaxQueuedRcTimeStr                = "MAX_QUEUED_RC_TIME"
	ResourceGroupName                 = "RESOURCE_GROUP"
)

Statements summary table column name.

Variables

View Source 
var MaxEncodedPlanSizeInBytes = 1024 * 1024

MaxEncodedPlanSizeInBytes is the upper limit of the size of the plan and the binary plan in the stmt summary.

View Source 
var StmtSummaryByDigestMap = newStmtSummaryByDigestMap()

StmtSummaryByDigestMap is a global map containing all statement summaries.

Functions

func NewStmtSummaryChecker 

func NewStmtSummaryChecker(digests set.StringSet) *stmtSummaryChecker

NewStmtSummaryChecker return a new statement summaries checker.

func NewStmtSummaryReader 

func NewStmtSummaryReader(user *auth.UserIdentity, hasProcessPriv bool, cols []*model.ColumnInfo, instanceAddr string, tz *time.Location) *stmtSummaryReader

NewStmtSummaryReader return a new statement summaries reader.

Types

type BindableStmt 

type BindableStmt struct {
	Schema    string
	Query     string
	PlanHint  string
	Charset   string
	Collation string
	Users     map[string]struct{} // which users have processed this stmt
}

BindableStmt is a wrapper struct for a statement that is extracted from statements_summary and can be created binding on.

func GetBindableStmtFromCluster 

func GetBindableStmtFromCluster(rows []chunk.Row) *BindableStmt

GetBindableStmtFromCluster gets users' select/update/delete SQL.

type StmtExecInfo 

type StmtExecInfo struct {
	SchemaName          string
	OriginalSQL         fmt.Stringer
	Charset             string
	Collation           string
	NormalizedSQL       string
	Digest              string
	PrevSQL             string
	PrevSQLDigest       string
	PlanGenerator       func() (string, string, any)
	BinaryPlanGenerator func() string
	PlanDigest          string
	PlanDigestGen       func() string
	User                string
	TotalLatency        time.Duration
	ParseLatency        time.Duration
	CompileLatency      time.Duration
	StmtCtx             *stmtctx.StatementContext
	CopTasks            *execdetails.CopTasksDetails
	ExecDetail          *execdetails.ExecDetails
	MemMax              int64
	DiskMax             int64
	StartTime           time.Time
	IsInternal          bool
	Succeed             bool
	PlanInCache         bool
	PlanInBinding       bool
	ExecRetryCount      uint
	ExecRetryTime       time.Duration
	execdetails.StmtExecDetails
	ResultRows        int64
	TiKVExecDetails   util.ExecDetails
	Prepared          bool
	KeyspaceName      string
	KeyspaceID        uint32
	ResourceGroupName string
	RUDetail          *util.RUDetails
	CPUUsages         ppcpuusage.CPUUsages

	PlanCacheUnqualified string
}

StmtExecInfo records execution information of each statement.

type StmtRUSummary 

type StmtRUSummary struct {
	SumRRU            float64       `json:"sum_rru"`
	SumWRU            float64       `json:"sum_wru"`
	SumRUWaitDuration time.Duration `json:"sum_ru_wait_duration"`
	MaxRRU            float64       `json:"max_rru"`
	MaxWRU            float64       `json:"max_wru"`
	MaxRUWaitDuration time.Duration `json:"max_ru_wait_duration"`
}

StmtRUSummary is the request-units summary for each type of statements.

func (*StmtRUSummary) Add 

func (s *StmtRUSummary) Add(info *util.RUDetails)

Add add a new sample value to the ru summary record.

func (*StmtRUSummary) Merge 

func (s *StmtRUSummary) Merge(other *StmtRUSummary)

Merge merges the value of 2 ru summary records.

Source Files

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Directories

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