unstable test testStaleTxnSuite.TestStaleSelect

[tidb-ci-bot]

Bug Report

stale_txn_test.go:844:
    tk.MustQuery("execute v").Check(staleRows)
/home/jenkins/agent/workspace/tidb-unit-test-nightly/go/src/github.com/pingcap/tidb/util/testkit/testkit.go:63:
    res.c.Assert(resBuff.String(), check.Equals, needBuff.String(), res.comment)
... obtained string = "" +
...     "[1 <nil> <nil>]\n" +
...     "[2 <nil> <nil>]\n" +
...     "[3 <nil> <nil>]\n" +
...     "[4 5 <nil>]\n" +
...     "[4 4 4]\n"
... expected string = "" +
...     "[1 <nil>]\n" +
...     "[2 <nil>]\n" +
...     "[3 <nil>]\n" +
...     "[4 5]\n"
... sql:execute v, args:[]

Please answer these questions before submitting your issue. Thanks!

1. Minimal reproduce step (Required)

in ci https://ci.pingcap.net/blue/organizations/jenkins/tidb-unit-test-nightly/detail/tidb-unit-test-nightly/674/pipeline/

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

3. What did you see instead (Required)

4. What is your TiDB version? (Required)

master a45b3aa

[cfzjywxk]

@xhebox PTAL

[xhebox]

@cfzjywxk Thanks for the reminding, there is already a merged PR for this issue: #26840. We could close it for now. If there are more unstable cases, we could reopen it.

[github-actions]

Please check whether the issue should be labeled with 'affects-x.y' or 'backport-x.y.z',
and then remove 'needs-more-info' label.