forked from pingcap/tidb
/
execdetails.go
415 lines (381 loc) · 14.7 KB
/
execdetails.go
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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 execdetails
import (
"fmt"
"sort"
"strconv"
"strings"
"sync"
"sync/atomic"
"time"
"github.com/pingcap/tipb/go-tipb"
"go.uber.org/zap"
)
type commitDetailCtxKeyType struct{}
// CommitDetailCtxKey presents CommitDetail info key in context.
var CommitDetailCtxKey = commitDetailCtxKeyType{}
// ExecDetails contains execution detail information.
type ExecDetails struct {
CalleeAddress string
ProcessTime time.Duration
WaitTime time.Duration
BackoffTime time.Duration
RequestCount int
TotalKeys int64
ProcessedKeys int64
CommitDetail *CommitDetails
}
// CommitDetails contains commit detail information.
type CommitDetails struct {
GetCommitTsTime time.Duration
PrewriteTime time.Duration
CommitTime time.Duration
LocalLatchTime time.Duration
CommitBackoffTime int64
Mu struct {
sync.Mutex
BackoffTypes []fmt.Stringer
}
ResolveLockTime int64
WriteKeys int
WriteSize int
PrewriteRegionNum int32
TxnRetry int
}
const (
// ProcessTimeStr represents the sum of process time of all the coprocessor tasks.
ProcessTimeStr = "Process_time"
// WaitTimeStr means the time of all coprocessor wait.
WaitTimeStr = "Wait_time"
// BackoffTimeStr means the time of all back-off.
BackoffTimeStr = "Backoff_time"
// RequestCountStr means the request count.
RequestCountStr = "Request_count"
// TotalKeysStr means the total scan keys.
TotalKeysStr = "Total_keys"
// ProcessKeysStr means the total processed keys.
ProcessKeysStr = "Process_keys"
// PreWriteTimeStr means the time of pre-write.
PreWriteTimeStr = "Prewrite_time"
// CommitTimeStr means the time of commit.
CommitTimeStr = "Commit_time"
// GetCommitTSTimeStr means the time of getting commit ts.
GetCommitTSTimeStr = "Get_commit_ts_time"
// CommitBackoffTimeStr means the time of commit backoff.
CommitBackoffTimeStr = "Commit_backoff_time"
// BackoffTypesStr means the backoff type.
BackoffTypesStr = "Backoff_types"
// ResolveLockTimeStr means the time of resolving lock.
ResolveLockTimeStr = "Resolve_lock_time"
// LocalLatchWaitTimeStr means the time of waiting in local latch.
LocalLatchWaitTimeStr = "Local_latch_wait_time"
// WriteKeysStr means the count of keys in the transaction.
WriteKeysStr = "Write_keys"
// WriteSizeStr means the key/value size in the transaction.
WriteSizeStr = "Write_size"
// PrewriteRegionStr means the count of region when pre-write.
PrewriteRegionStr = "Prewrite_region"
// TxnRetryStr means the count of transaction retry.
TxnRetryStr = "Txn_retry"
)
// String implements the fmt.Stringer interface.
func (d ExecDetails) String() string {
parts := make([]string, 0, 6)
if d.ProcessTime > 0 {
parts = append(parts, ProcessTimeStr+": "+strconv.FormatFloat(d.ProcessTime.Seconds(), 'f', -1, 64))
}
if d.WaitTime > 0 {
parts = append(parts, WaitTimeStr+": "+strconv.FormatFloat(d.WaitTime.Seconds(), 'f', -1, 64))
}
if d.BackoffTime > 0 {
parts = append(parts, BackoffTimeStr+": "+strconv.FormatFloat(d.BackoffTime.Seconds(), 'f', -1, 64))
}
if d.RequestCount > 0 {
parts = append(parts, RequestCountStr+": "+strconv.FormatInt(int64(d.RequestCount), 10))
}
if d.TotalKeys > 0 {
parts = append(parts, TotalKeysStr+": "+strconv.FormatInt(d.TotalKeys, 10))
}
if d.ProcessedKeys > 0 {
parts = append(parts, ProcessKeysStr+": "+strconv.FormatInt(d.ProcessedKeys, 10))
}
commitDetails := d.CommitDetail
if commitDetails != nil {
if commitDetails.PrewriteTime > 0 {
parts = append(parts, PreWriteTimeStr+": "+strconv.FormatFloat(commitDetails.PrewriteTime.Seconds(), 'f', -1, 64))
}
if commitDetails.CommitTime > 0 {
parts = append(parts, CommitTimeStr+": "+strconv.FormatFloat(commitDetails.CommitTime.Seconds(), 'f', -1, 64))
}
if commitDetails.GetCommitTsTime > 0 {
parts = append(parts, GetCommitTSTimeStr+": "+strconv.FormatFloat(commitDetails.GetCommitTsTime.Seconds(), 'f', -1, 64))
}
commitBackoffTime := atomic.LoadInt64(&commitDetails.CommitBackoffTime)
if commitBackoffTime > 0 {
parts = append(parts, CommitBackoffTimeStr+": "+strconv.FormatFloat(time.Duration(commitBackoffTime).Seconds(), 'f', -1, 64))
}
commitDetails.Mu.Lock()
if len(commitDetails.Mu.BackoffTypes) > 0 {
parts = append(parts, BackoffTypesStr+": "+fmt.Sprintf("%v", commitDetails.Mu.BackoffTypes))
}
commitDetails.Mu.Unlock()
resolveLockTime := atomic.LoadInt64(&commitDetails.ResolveLockTime)
if resolveLockTime > 0 {
parts = append(parts, ResolveLockTimeStr+": "+strconv.FormatFloat(time.Duration(resolveLockTime).Seconds(), 'f', -1, 64))
}
if commitDetails.LocalLatchTime > 0 {
parts = append(parts, LocalLatchWaitTimeStr+": "+strconv.FormatFloat(commitDetails.LocalLatchTime.Seconds(), 'f', -1, 64))
}
if commitDetails.WriteKeys > 0 {
parts = append(parts, WriteKeysStr+": "+strconv.FormatInt(int64(commitDetails.WriteKeys), 10))
}
if commitDetails.WriteSize > 0 {
parts = append(parts, WriteSizeStr+": "+strconv.FormatInt(int64(commitDetails.WriteSize), 10))
}
prewriteRegionNum := atomic.LoadInt32(&commitDetails.PrewriteRegionNum)
if prewriteRegionNum > 0 {
parts = append(parts, PrewriteRegionStr+": "+strconv.FormatInt(int64(prewriteRegionNum), 10))
}
if commitDetails.TxnRetry > 0 {
parts = append(parts, TxnRetryStr+": "+strconv.FormatInt(int64(commitDetails.TxnRetry), 10))
}
}
return strings.Join(parts, " ")
}
// ToZapFields wraps the ExecDetails as zap.Fields.
func (d ExecDetails) ToZapFields() (fields []zap.Field) {
fields = make([]zap.Field, 0, 16)
if d.ProcessTime > 0 {
fields = append(fields, zap.String(strings.ToLower(ProcessTimeStr), strconv.FormatFloat(d.ProcessTime.Seconds(), 'f', -1, 64)+"s"))
}
if d.WaitTime > 0 {
fields = append(fields, zap.String(strings.ToLower(WaitTimeStr), strconv.FormatFloat(d.ProcessTime.Seconds(), 'f', -1, 64)+"s"))
}
if d.BackoffTime > 0 {
fields = append(fields, zap.String(strings.ToLower(BackoffTimeStr), strconv.FormatFloat(d.BackoffTime.Seconds(), 'f', -1, 64)+"s"))
}
if d.RequestCount > 0 {
fields = append(fields, zap.String(strings.ToLower(RequestCountStr), strconv.FormatInt(int64(d.RequestCount), 10)))
}
if d.TotalKeys > 0 {
fields = append(fields, zap.String(strings.ToLower(TotalKeysStr), strconv.FormatInt(d.TotalKeys, 10)))
}
if d.ProcessedKeys > 0 {
fields = append(fields, zap.String(strings.ToLower(ProcessKeysStr), strconv.FormatInt(d.ProcessedKeys, 10)))
}
commitDetails := d.CommitDetail
if commitDetails != nil {
if commitDetails.PrewriteTime > 0 {
fields = append(fields, zap.String("prewrite_time", fmt.Sprintf("%v", strconv.FormatFloat(commitDetails.PrewriteTime.Seconds(), 'f', -1, 64)+"s")))
}
if commitDetails.CommitTime > 0 {
fields = append(fields, zap.String("commit_time", fmt.Sprintf("%v", strconv.FormatFloat(commitDetails.CommitTime.Seconds(), 'f', -1, 64)+"s")))
}
if commitDetails.GetCommitTsTime > 0 {
fields = append(fields, zap.String("get_commit_ts_time", fmt.Sprintf("%v", strconv.FormatFloat(commitDetails.GetCommitTsTime.Seconds(), 'f', -1, 64)+"s")))
}
commitBackoffTime := atomic.LoadInt64(&commitDetails.CommitBackoffTime)
if commitBackoffTime > 0 {
fields = append(fields, zap.String("commit_backoff_time", fmt.Sprintf("%v", strconv.FormatFloat(time.Duration(commitBackoffTime).Seconds(), 'f', -1, 64)+"s")))
}
commitDetails.Mu.Lock()
if len(commitDetails.Mu.BackoffTypes) > 0 {
fields = append(fields, zap.String("backoff_types", fmt.Sprintf("%v", commitDetails.Mu.BackoffTypes)))
}
commitDetails.Mu.Unlock()
resolveLockTime := atomic.LoadInt64(&commitDetails.ResolveLockTime)
if resolveLockTime > 0 {
fields = append(fields, zap.String("resolve_lock_time", fmt.Sprintf("%v", strconv.FormatFloat(time.Duration(resolveLockTime).Seconds(), 'f', -1, 64)+"s")))
}
if commitDetails.LocalLatchTime > 0 {
fields = append(fields, zap.String("local_latch_wait_time", fmt.Sprintf("%v", strconv.FormatFloat(commitDetails.LocalLatchTime.Seconds(), 'f', -1, 64)+"s")))
}
if commitDetails.WriteKeys > 0 {
fields = append(fields, zap.Int("write_keys", commitDetails.WriteKeys))
}
if commitDetails.WriteSize > 0 {
fields = append(fields, zap.Int("write_size", commitDetails.WriteSize))
}
prewriteRegionNum := atomic.LoadInt32(&commitDetails.PrewriteRegionNum)
if prewriteRegionNum > 0 {
fields = append(fields, zap.Int32("prewrite_region", prewriteRegionNum))
}
if commitDetails.TxnRetry > 0 {
fields = append(fields, zap.Int("txn_retry", commitDetails.TxnRetry))
}
}
return fields
}
// CopRuntimeStats collects cop tasks' execution info.
type CopRuntimeStats struct {
sync.Mutex
// stats stores the runtime statistics of coprocessor tasks.
// The key of the map is the tikv-server address. Because a tikv-server can
// have many region leaders, several coprocessor tasks can be sent to the
// same tikv-server instance. We have to use a list to maintain all tasks
// executed on each instance.
stats map[string][]*RuntimeStats
}
// RecordOneCopTask records a specific cop tasks's execution detail.
func (crs *CopRuntimeStats) RecordOneCopTask(address string, summary *tipb.ExecutorExecutionSummary) {
crs.Lock()
defer crs.Unlock()
crs.stats[address] = append(crs.stats[address],
&RuntimeStats{int32(*summary.NumIterations), int64(*summary.TimeProcessedNs), int64(*summary.NumProducedRows)})
}
func (crs *CopRuntimeStats) String() string {
if len(crs.stats) == 0 {
return ""
}
var totalRows, totalTasks int64
var totalIters int32
procTimes := make([]time.Duration, 0, 32)
for _, instanceStats := range crs.stats {
for _, stat := range instanceStats {
procTimes = append(procTimes, time.Duration(stat.consume)*time.Nanosecond)
totalRows += stat.rows
totalIters += stat.loop
totalTasks++
}
}
if totalTasks == 1 {
return fmt.Sprintf("time:%v, loops:%d, rows:%d", procTimes[0], totalIters, totalRows)
}
n := len(procTimes)
sort.Slice(procTimes, func(i, j int) bool { return procTimes[i] < procTimes[j] })
return fmt.Sprintf("proc max:%v, min:%v, p80:%v, p95:%v, rows:%v, iters:%v, tasks:%v",
procTimes[n-1], procTimes[0], procTimes[n*4/5], procTimes[n*19/20], totalRows, totalIters, totalTasks)
}
// ReaderRuntimeStats collects stats for TableReader, IndexReader and IndexLookupReader
type ReaderRuntimeStats struct {
sync.Mutex
copRespTime []time.Duration
}
// recordOneCopTask record once cop response time to update maxcopRespTime
func (rrs *ReaderRuntimeStats) recordOneCopTask(t time.Duration) {
rrs.Lock()
defer rrs.Unlock()
rrs.copRespTime = append(rrs.copRespTime, t)
}
func (rrs *ReaderRuntimeStats) String() string {
size := len(rrs.copRespTime)
if size == 0 {
return ""
}
if size == 1 {
return fmt.Sprintf("rpc time:%v", rrs.copRespTime[0])
}
sort.Slice(rrs.copRespTime, func(i, j int) bool {
return rrs.copRespTime[i] < rrs.copRespTime[j]
})
vMax, vMin := rrs.copRespTime[size-1], rrs.copRespTime[0]
vP80, vP95 := rrs.copRespTime[size*4/5], rrs.copRespTime[size*19/20]
sum := 0.0
for _, t := range rrs.copRespTime {
sum += float64(t)
}
vAvg := time.Duration(sum / float64(size))
return fmt.Sprintf("rpc max:%v, min:%v, avg:%v, p80:%v, p95:%v", vMax, vMin, vAvg, vP80, vP95)
}
// RuntimeStatsColl collects executors's execution info.
type RuntimeStatsColl struct {
mu sync.Mutex
rootStats map[string]*RuntimeStats
copStats map[string]*CopRuntimeStats
readerStats map[string]*ReaderRuntimeStats
}
// RuntimeStats collects one executor's execution info.
type RuntimeStats struct {
// executor's Next() called times.
loop int32
// executor consume time.
consume int64
// executor return row count.
rows int64
}
// NewRuntimeStatsColl creates new executor collector.
func NewRuntimeStatsColl() *RuntimeStatsColl {
return &RuntimeStatsColl{rootStats: make(map[string]*RuntimeStats),
copStats: make(map[string]*CopRuntimeStats), readerStats: make(map[string]*ReaderRuntimeStats)}
}
// GetRootStats gets execStat for a executor.
func (e *RuntimeStatsColl) GetRootStats(planID string) *RuntimeStats {
e.mu.Lock()
defer e.mu.Unlock()
runtimeStats, exists := e.rootStats[planID]
if !exists {
runtimeStats = &RuntimeStats{}
e.rootStats[planID] = runtimeStats
}
return runtimeStats
}
// GetCopStats gets the CopRuntimeStats specified by planID.
func (e *RuntimeStatsColl) GetCopStats(planID string) *CopRuntimeStats {
e.mu.Lock()
defer e.mu.Unlock()
copStats, ok := e.copStats[planID]
if !ok {
copStats = &CopRuntimeStats{stats: make(map[string][]*RuntimeStats)}
e.copStats[planID] = copStats
}
return copStats
}
// RecordOneCopTask records a specific cop tasks's execution detail.
func (e *RuntimeStatsColl) RecordOneCopTask(planID, address string, summary *tipb.ExecutorExecutionSummary) {
copStats := e.GetCopStats(planID)
copStats.RecordOneCopTask(address, summary)
}
// RecordOneReaderStats records a specific stats for TableReader, IndexReader and IndexLookupReader.
func (e *RuntimeStatsColl) RecordOneReaderStats(planID string, copRespTime time.Duration) {
readerStats := e.GetReaderStats(planID)
readerStats.recordOneCopTask(copRespTime)
}
// ExistsRootStats checks if the planID exists in the rootStats collection.
func (e *RuntimeStatsColl) ExistsRootStats(planID string) bool {
e.mu.Lock()
defer e.mu.Unlock()
_, exists := e.rootStats[planID]
return exists
}
// ExistsCopStats checks if the planID exists in the copStats collection.
func (e *RuntimeStatsColl) ExistsCopStats(planID string) bool {
e.mu.Lock()
defer e.mu.Unlock()
_, exists := e.copStats[planID]
return exists
}
// GetReaderStats gets the ReaderRuntimeStats specified by planID.
func (e *RuntimeStatsColl) GetReaderStats(planID string) *ReaderRuntimeStats {
e.mu.Lock()
defer e.mu.Unlock()
stats, exists := e.readerStats[planID]
if !exists {
stats = &ReaderRuntimeStats{copRespTime: make([]time.Duration, 0, 20)}
e.readerStats[planID] = stats
}
return stats
}
// Record records executor's execution.
func (e *RuntimeStats) Record(d time.Duration, rowNum int) {
atomic.AddInt32(&e.loop, 1)
atomic.AddInt64(&e.consume, int64(d))
atomic.AddInt64(&e.rows, int64(rowNum))
}
// SetRowNum sets the row num.
func (e *RuntimeStats) SetRowNum(rowNum int64) {
atomic.StoreInt64(&e.rows, rowNum)
}
func (e *RuntimeStats) String() string {
return fmt.Sprintf("time:%v, loops:%d, rows:%d", time.Duration(e.consume), e.loop, e.rows)
}