249 lines
8.1 KiB
Go
249 lines
8.1 KiB
Go
// Copyright 2025 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,
|
|
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
// See the License for the specific language governing permissions and
|
|
// limitations under the License.
|
|
|
|
package join
|
|
|
|
import (
|
|
"bytes"
|
|
"fmt"
|
|
"strconv"
|
|
"sync/atomic"
|
|
"time"
|
|
|
|
"github.com/pingcap/tidb/pkg/util/execdetails"
|
|
)
|
|
|
|
type hashJoinRuntimeStats struct {
|
|
fetchAndBuildHashTable time.Duration
|
|
hashStat hashStatistic
|
|
fetchAndProbe int64
|
|
probe int64
|
|
concurrent int
|
|
maxFetchAndProbe int64
|
|
}
|
|
|
|
// Tp implements the RuntimeStats interface.
|
|
func (*hashJoinRuntimeStats) Tp() int {
|
|
return execdetails.TpHashJoinRuntimeStats
|
|
}
|
|
|
|
func (e *hashJoinRuntimeStats) String() string {
|
|
buf := bytes.NewBuffer(make([]byte, 0, 128))
|
|
if e.fetchAndBuildHashTable > 0 {
|
|
buf.WriteString("build_hash_table:{total:")
|
|
buf.WriteString(execdetails.FormatDuration(e.fetchAndBuildHashTable))
|
|
buf.WriteString(", fetch:")
|
|
buf.WriteString(execdetails.FormatDuration(e.fetchAndBuildHashTable - e.hashStat.buildTableElapse))
|
|
buf.WriteString(", build:")
|
|
buf.WriteString(execdetails.FormatDuration(e.hashStat.buildTableElapse))
|
|
buf.WriteString("}")
|
|
}
|
|
if e.probe > 0 {
|
|
buf.WriteString(", probe:{concurrency:")
|
|
buf.WriteString(strconv.Itoa(e.concurrent))
|
|
buf.WriteString(", total:")
|
|
buf.WriteString(execdetails.FormatDuration(time.Duration(e.fetchAndProbe)))
|
|
buf.WriteString(", max:")
|
|
buf.WriteString(execdetails.FormatDuration(time.Duration(atomic.LoadInt64(&e.maxFetchAndProbe))))
|
|
buf.WriteString(", probe:")
|
|
buf.WriteString(execdetails.FormatDuration(time.Duration(e.probe)))
|
|
// fetch time is the time wait fetch result from its child executor,
|
|
// wait time is the time wait its parent executor to fetch the joined result
|
|
buf.WriteString(", fetch and wait:")
|
|
buf.WriteString(execdetails.FormatDuration(time.Duration(e.fetchAndProbe - e.probe)))
|
|
if e.hashStat.probeCollision > 0 {
|
|
buf.WriteString(", probe_collision:")
|
|
buf.WriteString(strconv.FormatInt(e.hashStat.probeCollision, 10))
|
|
}
|
|
buf.WriteString("}")
|
|
}
|
|
return buf.String()
|
|
}
|
|
|
|
func (e *hashJoinRuntimeStats) Clone() execdetails.RuntimeStats {
|
|
return &hashJoinRuntimeStats{
|
|
fetchAndBuildHashTable: e.fetchAndBuildHashTable,
|
|
hashStat: e.hashStat,
|
|
fetchAndProbe: e.fetchAndProbe,
|
|
probe: e.probe,
|
|
concurrent: e.concurrent,
|
|
maxFetchAndProbe: e.maxFetchAndProbe,
|
|
}
|
|
}
|
|
|
|
func (e *hashJoinRuntimeStats) Merge(rs execdetails.RuntimeStats) {
|
|
tmp, ok := rs.(*hashJoinRuntimeStats)
|
|
if !ok {
|
|
return
|
|
}
|
|
e.fetchAndBuildHashTable += tmp.fetchAndBuildHashTable
|
|
e.hashStat.buildTableElapse += tmp.hashStat.buildTableElapse
|
|
e.hashStat.probeCollision += tmp.hashStat.probeCollision
|
|
e.fetchAndProbe += tmp.fetchAndProbe
|
|
e.probe += tmp.probe
|
|
if e.maxFetchAndProbe < tmp.maxFetchAndProbe {
|
|
e.maxFetchAndProbe = tmp.maxFetchAndProbe
|
|
}
|
|
}
|
|
|
|
type hashStatistic struct {
|
|
// NOTE: probeCollision may be accessed from multiple goroutines concurrently.
|
|
probeCollision int64
|
|
buildTableElapse time.Duration
|
|
}
|
|
|
|
func (s *hashStatistic) String() string {
|
|
return fmt.Sprintf("probe_collision:%v, build:%v", s.probeCollision, execdetails.FormatDuration(s.buildTableElapse))
|
|
}
|
|
|
|
type hashJoinRuntimeStatsV2 struct {
|
|
concurrent int
|
|
probeCollision int64
|
|
|
|
fetchAndBuildHashTable int64
|
|
|
|
partitionData int64
|
|
buildHashTable int64
|
|
probe int64
|
|
fetchAndProbe int64
|
|
|
|
maxPartitionData int64
|
|
maxBuildHashTable int64
|
|
maxProbe int64
|
|
maxFetchAndProbe int64
|
|
|
|
maxPartitionDataForCurrentRound int64
|
|
maxBuildHashTableForCurrentRound int64
|
|
maxProbeForCurrentRound int64
|
|
maxFetchAndProbeForCurrentRound int64
|
|
}
|
|
|
|
func setMaxValue(addr *int64, currentValue int64) {
|
|
for {
|
|
value := atomic.LoadInt64(addr)
|
|
if currentValue <= value {
|
|
return
|
|
}
|
|
if atomic.CompareAndSwapInt64(addr, value, currentValue) {
|
|
return
|
|
}
|
|
}
|
|
}
|
|
|
|
func (e *hashJoinRuntimeStatsV2) reset() {
|
|
e.probeCollision = 0
|
|
e.fetchAndBuildHashTable = 0
|
|
e.partitionData = 0
|
|
e.buildHashTable = 0
|
|
e.probe = 0
|
|
e.fetchAndProbe = 0
|
|
e.maxPartitionData = 0
|
|
e.maxBuildHashTable = 0
|
|
e.maxProbe = 0
|
|
e.maxFetchAndProbe = 0
|
|
e.maxPartitionDataForCurrentRound = 0
|
|
e.maxBuildHashTableForCurrentRound = 0
|
|
e.maxProbeForCurrentRound = 0
|
|
e.maxFetchAndProbeForCurrentRound = 0
|
|
}
|
|
|
|
func (e *hashJoinRuntimeStatsV2) resetCurrentRound() {
|
|
e.maxPartitionData += e.maxPartitionDataForCurrentRound
|
|
e.maxBuildHashTable += e.maxBuildHashTableForCurrentRound
|
|
e.maxProbe += e.maxProbeForCurrentRound
|
|
e.maxFetchAndProbe += e.maxFetchAndProbeForCurrentRound
|
|
e.maxPartitionDataForCurrentRound = 0
|
|
e.maxBuildHashTableForCurrentRound = 0
|
|
e.maxProbeForCurrentRound = 0
|
|
e.maxFetchAndProbeForCurrentRound = 0
|
|
}
|
|
|
|
// Tp implements the RuntimeStats interface.
|
|
func (*hashJoinRuntimeStatsV2) Tp() int {
|
|
return execdetails.TpHashJoinRuntimeStatsV2
|
|
}
|
|
|
|
func (e *hashJoinRuntimeStatsV2) String() string {
|
|
buf := bytes.NewBuffer(make([]byte, 0, 128))
|
|
if e.fetchAndBuildHashTable > 0 {
|
|
buf.WriteString("build_hash_table:{total:")
|
|
buf.WriteString(execdetails.FormatDuration(time.Duration(e.fetchAndBuildHashTable)))
|
|
buf.WriteString(", fetch:")
|
|
buf.WriteString(execdetails.FormatDuration(time.Duration(e.fetchAndBuildHashTable - e.maxBuildHashTable - e.maxPartitionData)))
|
|
buf.WriteString(", build:")
|
|
buf.WriteString(execdetails.FormatDuration(time.Duration(e.maxBuildHashTable + e.maxPartitionData)))
|
|
buf.WriteString("}")
|
|
}
|
|
if e.probe > 0 {
|
|
buf.WriteString(", probe:{concurrency:")
|
|
buf.WriteString(strconv.Itoa(e.concurrent))
|
|
buf.WriteString(", total:")
|
|
buf.WriteString(execdetails.FormatDuration(time.Duration(e.fetchAndProbe)))
|
|
buf.WriteString(", max:")
|
|
buf.WriteString(execdetails.FormatDuration(time.Duration(atomic.LoadInt64(&e.maxFetchAndProbe))))
|
|
buf.WriteString(", probe:")
|
|
buf.WriteString(execdetails.FormatDuration(time.Duration(e.maxProbe)))
|
|
buf.WriteString(", fetch and wait:")
|
|
buf.WriteString(execdetails.FormatDuration(time.Duration(e.fetchAndProbe - e.maxProbe)))
|
|
if e.probeCollision > 0 {
|
|
buf.WriteString(", probe_collision:")
|
|
buf.WriteString(strconv.FormatInt(e.probeCollision, 10))
|
|
}
|
|
buf.WriteString("}")
|
|
}
|
|
return buf.String()
|
|
}
|
|
|
|
func (e *hashJoinRuntimeStatsV2) Clone() execdetails.RuntimeStats {
|
|
return &hashJoinRuntimeStatsV2{
|
|
concurrent: e.concurrent,
|
|
probeCollision: e.probeCollision,
|
|
fetchAndBuildHashTable: e.fetchAndBuildHashTable,
|
|
partitionData: e.partitionData,
|
|
buildHashTable: e.buildHashTable,
|
|
probe: e.probe,
|
|
fetchAndProbe: e.fetchAndProbe,
|
|
maxPartitionData: e.maxPartitionData,
|
|
maxBuildHashTable: e.maxBuildHashTable,
|
|
maxProbe: e.maxProbe,
|
|
maxFetchAndProbe: e.maxFetchAndProbe,
|
|
maxPartitionDataForCurrentRound: e.maxPartitionDataForCurrentRound,
|
|
maxBuildHashTableForCurrentRound: e.maxBuildHashTableForCurrentRound,
|
|
maxProbeForCurrentRound: e.maxProbeForCurrentRound,
|
|
maxFetchAndProbeForCurrentRound: e.maxFetchAndProbeForCurrentRound,
|
|
}
|
|
}
|
|
|
|
func (e *hashJoinRuntimeStatsV2) Merge(rs execdetails.RuntimeStats) {
|
|
tmp, ok := rs.(*hashJoinRuntimeStatsV2)
|
|
if !ok {
|
|
return
|
|
}
|
|
e.fetchAndBuildHashTable += tmp.fetchAndBuildHashTable
|
|
e.buildHashTable += tmp.buildHashTable
|
|
if e.maxBuildHashTable < tmp.maxBuildHashTable {
|
|
e.maxBuildHashTable = tmp.maxBuildHashTable
|
|
}
|
|
e.partitionData += tmp.partitionData
|
|
if e.maxPartitionData < tmp.maxPartitionData {
|
|
e.maxPartitionData = tmp.maxPartitionData
|
|
}
|
|
e.probeCollision += tmp.probeCollision
|
|
e.fetchAndProbe += tmp.fetchAndProbe
|
|
e.probe += tmp.probe
|
|
if e.maxFetchAndProbe < tmp.maxFetchAndProbe {
|
|
e.maxFetchAndProbe = tmp.maxFetchAndProbe
|
|
}
|
|
}
|