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Xiaolin Ha commented on HBASE-25334: ------------------------------------ Thanks for pointing out this problem, [~stack]. Maybe this PR can be divided to two parts, one is for the UT itseft, the other is for fixing HBASE-25282. > TestRSGroupsFallback.testFallback is flaky > ------------------------------------------ > > Key: HBASE-25334 > URL: https://issues.apache.org/jira/browse/HBASE-25334 > Project: HBase > Issue Type: Test > Reporter: Xiaolin Ha > Assignee: Xiaolin Ha > Priority: Major > > Like in CI test results of PR [https://github.com/apache/hbase/pull/2699] > failed UTs site is > [https://ci-hadoop.apache.org/job/HBase/job/HBase-PreCommit-GitHub-PR/job/PR-2699/3/artifact/yetus-jdk8-hadoop3-check/output/patch-unit-hbase-server.txt] > > In this unit test, it checks if all table regions assigned after balance, and > then assert for the RS group of regions. > But balance() uses aync move, and will throttle move regions, sleeping > between all the table regions are moved to its RSGroup. > If waiting time is not longer than the region movement duration, the > assertion will be fail. -- This message was sent by Atlassian Jira (v8.3.4#803005)