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https://issues.apache.org/jira/browse/KUDU-2109?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Alexey Serbin reopened KUDU-2109:
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Assignee: (was: Todd Lipcon)
The same error happened in (TSAN build). I guess the underlying root cause is
the same. Attaching the log from the test run.
> TabletCopyClientSessionITest.TestCopyFromCrashedSource is flaky
> ---------------------------------------------------------------
>
> Key: KUDU-2109
> URL: https://issues.apache.org/jira/browse/KUDU-2109
> Project: Kudu
> Issue Type: Bug
> Components: test, tserver
> Affects Versions: 1.4.0
> Reporter: Adar Dembo
> Priority: Major
> Fix For: NA
>
> Attachments: 0_tablet_copy_client_session-itest.txt
>
>
> I've attached the full log from my test failure.
> I think I've found the issue too: the test assumes that if it finds an
> on-disk superblock in the TOMBSTONED state, the failed tablet copy has
> finished and it's safe to start another one. However, in
> TSTabletManager::RunTabletCopy, 'tc_client' goes out of scope before
> 'deleter', which means that the TabletCopyClient destructor (which deletes
> the on-disk data, flushing the superblock in the TOMBSTONED state) will run
> before the TransitionInProgress destructor (which removes the tablet's ID
> from the global map tracking transitions, allowing a new tablet copy to
> proceed).
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