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https://issues.apache.org/jira/browse/HBASE-24159?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Huaxiang Sun resolved HBASE-24159.
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Fix Version/s: 2.4.0
2.3.0
3.0.0
Resolution: Fixed
> [flakey test] regionserver.TestRegionMergeTransactionOnCluster
> --------------------------------------------------------------
>
> Key: HBASE-24159
> URL: https://issues.apache.org/jira/browse/HBASE-24159
> Project: HBase
> Issue Type: Test
> Components: regionserver
> Affects Versions: 3.0.0, 2.3.0, 2.4.0
> Reporter: Huaxiang Sun
> Assignee: Hua Xiang
> Priority: Major
> Fix For: 3.0.0, 2.3.0, 2.4.0
>
>
> As reported in
> [https://builds.apache.org/view/H-L/view/HBase/job/HBase-Find-Flaky-Tests/job/branch-2.3/lastSuccessfulBuild/artifact/dashboard.html#job_1,]
>
> testCleanMergeReference fails when waiting for merge table in meta table to
> be cleaned.
> Debugged a bit, found that this is case that state is polluted from other
> testing cases.
>
> the meta table is polluted from the previous region merge test cases (tables
> are not deleted after the testing case finishes). While compaction still goes
> on and janitor kicks in, it will clean up the old table state and breaks the
> loop (cleaned > 0), so leave the state under test never cleaned up.The
> solution is to delete tables after each test case.
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