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statistics: upgrade stats timeout checkpoint after it timeouts #52424

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merged 3 commits into from
Apr 9, 2024
Merged

statistics: upgrade stats timeout checkpoint after it timeouts #52424

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73fa967
statistics: upgrade stats timeout checkpoint after it timeouts
hawkingrei Apr 8, 2024
52d73d6
statistics: upgrade stats timeout checkpoint after it timeouts
hawkingrei Apr 8, 2024
54524c4
statistics: upgrade stats timeout checkpoint after it timeouts
hawkingrei Apr 9, 2024
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6 changes: 4 additions & 2 deletions pkg/statistics/handle/syncload/stats_syncload.go
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Original file line number Diff line number Diff line change
Expand Up @@ -213,7 +213,7 @@ func (s *statsSyncLoad) HandleOneTask(sctx sessionctx.Context, lastTask *statsty
}
}()
if lastTask == nil {
task, err = s.drainColTask(exit)
task, err = s.drainColTask(sctx, exit)
if err != nil {
if err != errExit {
logutil.BgLogger().Error("Fail to drain task for stats loading.", zap.Error(err))
Expand All @@ -239,6 +239,7 @@ func (s *statsSyncLoad) HandleOneTask(sctx sessionctx.Context, lastTask *statsty
}
return task, result.Err
case <-time.After(timeout):
task.ToTimeout.Add(time.Duration(sctx.GetSessionVars().StatsLoadSyncWait) * time.Microsecond)
return task, nil
}
}
Expand Down Expand Up @@ -396,7 +397,7 @@ func (*statsSyncLoad) readStatsForOneItem(sctx sessionctx.Context, item model.Ta
}

// drainColTask will hang until a column task can return, and either task or error will be returned.
func (s *statsSyncLoad) drainColTask(exit chan struct{}) (*statstypes.NeededItemTask, error) {
func (s *statsSyncLoad) drainColTask(sctx sessionctx.Context, exit chan struct{}) (*statstypes.NeededItemTask, error) {
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@AilinKid AilinKid Apr 9, 2024 •
edited
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pass the limited scope arg is appreciated

// select NeededColumnsCh firstly, if no task, then select TimeoutColumnsCh
for {
select {
Expand All @@ -409,6 +410,7 @@ func (s *statsSyncLoad) drainColTask(exit chan struct{}) (*statstypes.NeededItem
// if the task has already timeout, no sql is sync-waiting for it,
// so do not handle it just now, put it to another channel with lower priority
if time.Now().After(task.ToTimeout) {
task.ToTimeout.Add(time.Duration(sctx.GetSessionVars().StatsLoadSyncWait) * time.Microsecond)
s.writeToTimeoutChan(s.StatsLoad.TimeoutItemsCh, task)
continue
}
Expand Down