goleak executor.(*AnalyzeColumnsExecV2).subMergeWorker

[hawkingrei]

Bug Report

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1. Minimal reproduce step (Required)

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

3. What did you see instead (Required)

--- PASS: TestGlobalMemoryControlForAnalyze (3.22s)

PASS

coverage: 15.6% of statements

goleak: Errors on successful test run: found unexpected goroutines:

[Goroutine 43419 in state sleep, with time.Sleep on top of the stack:

goroutine 43419 [sleep]:

time.Sleep(0x5f5e100)

	GOROOT/src/runtime/time.go:195 +0x135

github.com/pingcap/tidb/executor.(*AnalyzeColumnsExecV2).subMergeWorker(0xc007da2330, 0xc0068bdf80, 0xc006712000, 0x2, 0x0)

	executor/analyze_col_v2.go:602 +0x1e5

created by github.com/pingcap/tidb/executor.(*AnalyzeColumnsExecV2).buildSamplingStats

	executor/analyze_col_v2.go:260 +0x685


 Goroutine 43421 in state sleep, with time.Sleep on top of the stack:

goroutine 43421 [sleep]:

time.Sleep(0x5f5e100)

	GOROOT/src/runtime/time.go:195 +0x135

github.com/pingcap/tidb/executor.(*AnalyzeColumnsExecV2).subMergeWorker(0xc007da2330, 0xc0068bdf80, 0xc006712000, 0x2, 0x2)

	executor/analyze_col_v2.go:602 +0x1e5

created by github.com/pingcap/tidb/executor.(*AnalyzeColumnsExecV2).buildSamplingStats

	executor/analyze_col_v2.go:260 +0x685


 Goroutine 43422 in state sleep, with time.Sleep on top of the stack:

goroutine 43422 [sleep]:

time.Sleep(0x5f5e100)

	GOROOT/src/runtime/time.go:195 +0x135

github.com/pingcap/tidb/executor.(*AnalyzeColumnsExecV2).subMergeWorker(0xc007da2330, 0xc0068bdf80, 0xc006712000, 0x2, 0x3)

	executor/analyze_col_v2.go:602 +0x1e5

created by github.com/pingcap/tidb/executor.(*AnalyzeColumnsExecV2).buildSamplingStats

	executor/analyze_col_v2.go:260 +0x685


 Goroutine 43420 in state sleep, with time.Sleep on top of the stack:

goroutine 43420 [sleep]:

time.Sleep(0x5f5e100)

	GOROOT/src/runtime/time.go:195 +0x135

github.com/pingcap/tidb/executor.(*AnalyzeColumnsExecV2).subMergeWorker(0xc007da2330, 0xc0068bdf80, 0xc006712000, 0x2, 0x1)

	executor/analyze_col_v2.go:602 +0x1e5

created by github.com/pingcap/tidb/executor.(*AnalyzeColumnsExecV2).buildSamplingStats

	executor/analyze_col_v2.go:260 +0x685

]

--

Coverage runner: Not collecting coverage for failed test.

The following commands failed with status 1

/home/jenkins/.tidb/tmp/63a9840cd0739f2c243bb46478607469/sandbox/linux-sandbox/7481/execroot/__main__/bazel-out/k8-fastbuild/bin/executor/analyzetest/analyzetest_test_/analyzetest_test.runfiles/__main__/executor/analyzetest/analyzetest_test_/analyzetest_test

4. What is your TiDB version? (Required)

[hawkingrei]

https://do.pingcap.net/jenkins/blue/organizations/jenkins/pingcap%2Ftidb%2Fghpr_unit_test/detail/ghpr_unit_test/17158/pipeline

[aytrack]

since it's a ut leak, downgrade severity to major

[hawkingrei]

https://do.pingcap.net/jenkins/blue/organizations/jenkins/pingcap%2Ftidb%2Fghpr_unit_test/detail/ghpr_unit_test/17314/pipeline

[hawkingrei]

I have see it again for a long time. If we find it again. we will reopen it.