flaky test TestIntersectionWithDifferentConcurrency in pkg/executor/test/indexmergereadtest pkg

[lance6716]

Bug Report

Please answer these questions before submitting your issue. Thanks!

1. Minimal reproduce step (Required)

https://do.pingcap.net/jenkins/blue/organizations/jenkins/pingcap%2Ftidb%2Fghpr_unit_test/detail/ghpr_unit_test/29046/pipeline

1317:==================== Test output for //executor/test/indexmergereadtest:indexmergereadtest_test (shard 16 of 30):
1318:=== RUN   TestIntersectionWithDifferentConcurrency
3157:-- Test timed out at 2023-07-28 11:33:06 CST --
3158:================================================================================
3159:==================== Test output for //executor/test/indexmergereadtest:indexmergereadtest_test (shard 16 of 30):
3160:=== RUN   TestIntersectionWithDifferentConcurrency
5351:-- Test timed out at 2023-07-28 11:35:39 CST --
5352:================================================================================
5353:==================== Test output for //executor/test/indexmergereadtest:indexmergereadtest_test (shard 16 of 30):
5354:=== RUN   TestIntersectionWithDifferentConcurrency
6595:-- Test timed out at 2023-07-28 11:38:14 CST --
6596:================================================================================

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

3. What did you see instead (Required)

4. What is your TiDB version? (Required)

[wuhuizuo]

Flaky runs happened 20 times between "2023-11-10" AND "2023-11-22"

• CI build
• CI build
• CI build
• CI build
• CI build
• CI build
• CI build
• CI build
• CI build
• CI build
• CI build
• CI build
• CI build
• CI build
• CI build
• CI build
• CI build
• CI build
• CI build
• CI build

[wuhuizuo]

/reopen

[ti-chi-bot]

@wuhuizuo: Reopened this issue.

In response to this:

/reopen

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[wuhuizuo]

/component test