tidb fatal error: concurrent map read and map write in (*RuntimeStatsColl).ExistsRootStats

[AkiraXie]

Bug Report

Please answer these questions before submitting your issue. Thanks!

1. Minimal reproduce step (Required)

1. ch workload
2. cc workload
3. set global tidb_memory_usage_alarm_ratio = 0.1

2. What did you expect to see? (Required)

no error

3. What did you see instead (Required)

fatal error: concurrent map read and map write goroutine 140623 [running]: github.com/pingcap/tidb/util/execdetails.(*RuntimeStatsColl).ExistsRootStats(0x7f89e449f2c0?, 0x0?) /home/jenkins/agent/workspace/build-common/go/src/github.com/pingcap/tidb/util/execdetails/execdetails.go:766 +0xa6 github.com/pingcap/tidb/planner/core.getRuntimeInfo({0x4eb7f68, 0xc012396500}, {0x4e6f580, 0xc094aff900}, 0x7f8a13c92d28?) /home/jenkins/agent/workspace/build-common/go/src/github.com/pingcap/tidb/planner/core/common_plans.go:866 +0x7d github.com/pingcap/tidb/planner/core.getRuntimeInfoStr({0x4eb7f68?, 0xc012396500?}, {0x4e6f580?, 0xc094aff900?}, 0xc094aff900?) /home/jenkins/agent/workspace/build-common/go/src/github.com/pingcap/tidb/planner/core/common_plans.go:830 +0xa5 github.com/pingcap/tidb/planner/core.(*Explain).prepareOperatorInfo(0xc093a08f28, {0x4e6f580, 0xc094aff900}, {0xc11196e3e7, 0x9}, {0xc17c099360, 0x1a}) /home/jenkins/agent/workspace/build-common/go/src/github.com/pingcap/tidb/planner/core/common_plans.go:895 +0x3c9 github.com/pingcap/tidb/planner/core.(*Explain).explainFlatOpInRowFormat(0xc093a08f28, 0xc095cda6c0) /home/jenkins/agent/workspace/build-common/go/src/github.com/pingcap/tidb/planner/core/common_plans.go:815 +0x21d github.com/pingcap/tidb/planner/core.(*Explain).explainFlatPlanInRowFormat(0x4e6efe0?, 0xc095cf85a0) /home/jenkins/agent/workspace/build-common/go/src/github.com/pingcap/tidb/planner/core/common_plans.go:796 +0x5f github.com/pingcap/tidb/planner/core.(*Explain).RenderResult(0xc093a08f28) /home/jenkins/agent/workspace/build-common/go/src/github.com/pingcap/tidb/planner/core/common_plans.go:763 +0xd4e github.com/pingcap/tidb/planner/core.GetExplainAnalyzeRowsForPlan(0xc093a08f28) /home/jenkins/agent/workspace/build-common/go/src/github.com/pingcap/tidb/planner/core/common_plans.go:666 +0x2f github.com/pingcap/tidb/session.(*session).getCurrentAnalyzePlan(0xc012396500, {0x46275e0?, 0xc095889200}, 0xc099563098) /home/jenkins/agent/workspace/build-common/go/src/github.com/pingcap/tidb/session/session.go:1647 +0xd7 github.com/pingcap/tidb/util/memoryusagealarm.getCurrentAnalyzePlan(0x5507b?) /home/jenkins/agent/workspace/build-common/go/src/github.com/pingcap/tidb/util/memoryusagealarm/memoryusagealarm.go:249 +0x53 github.com/pingcap/tidb/util/memoryusagealarm.(*memoryUsageAlarm).getTop10SqlInfo(0xc093a09f20, 0xa80?, {0xc093e77600?, 0x9, 0x36?}) /home/jenkins/agent/workspace/build-common/go/src/github.com/pingcap/tidb/util/memoryusagealarm/memoryusagealarm.go:291 +0x9e6 github.com/pingcap/tidb/util/memoryusagealarm.(*memoryUsageAlarm).getTop10SqlInfoByCostTime(0x8?, {0xc093e77600?, 0x36?, 0x294?}) /home/jenkins/agent/workspace/build-common/go/src/github.com/pingcap/tidb/util/memoryusagealarm/memoryusagealarm.go:317 +0x2e github.com/pingcap/tidb/util/memoryusagealarm.(*memoryUsageAlarm).printTop10SqlInfo(0xc1591ad1d0?, {0xc093e77600, 0x9, 0xa4}, 0xc012ad9840?) /home/jenkins/agent/workspace/build-common/go/src/github.com/pingcap/tidb/util/memoryusagealarm/memoryusagealarm.go:268 +0x50a github.com/pingcap/tidb/util/memoryusagealarm.(*memoryUsageAlarm).recordSQL(0xc14e01d180?, {0x4e700c0?, 0xc0071b1d00?}, {0xc14e01d180, 0x3c}) /home/jenkins/agent/workspace/build-common/go/src/github.com/pingcap/tidb/util/memoryusagealarm/memoryusagealarm.go:342 +0x43a github.com/pingcap/tidb/util/memoryusagealarm.(*memoryUsageAlarm).doRecord(0xc093a09f20, 0x1f0acf000?, 0xffffffffffffffff?, {0x4e700c0, 0xc0071b1d00}, 0x1) /home/jenkins/agent/workspace/build-common/go/src/github.com/pingcap/tidb/util/memoryusagealarm/memoryusagealarm.go:228 +0x103e github.com/pingcap/tidb/util/memoryusagealarm.(*memoryUsageAlarm).alarm4ExcessiveMemUsage(0xc093a09f20, {0x4e700c0, 0xc0071b1d00}) /home/jenkins/agent/workspace/build-common/go/src/github.com/pingcap/tidb/util/memoryusagealarm/memoryusagealarm.go:165 +0x18d github.com/pingcap/tidb/util/memoryusagealarm.(*Handle).Run(0xc0005ab7e8) /home/jenkins/agent/workspace/build-common/go/src/github.com/pingcap/tidb/util/memoryusagealarm/memoryusagealarm.go:66 +0x113 created by main.createServer /home/jenkins/agent/workspace/build-common/go/src/github.com/pingcap/tidb/tidb-server/main.go:762 +0x4d0
tidb1-1112-err-1.log

4. What is your TiDB version? (Required)

6.4

[AkiraXie]

/severity major

[AkiraXie]

/found automation