[jira] [Commented] (HBASE-14701) Fix flakey Failed tests: TestMobFlushSnapshotFromClient>TestFlushSnapshotFromClient.testSkipFlushTableSnapshot:199 null

["Jingcheng Du (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/HBASE-14701?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15037570#comment-15037570 ] 

Jingcheng Du commented on HBASE-14701:
--------------------------------------

The cause of this issue is found.
testSkipFlushTableSnapshot tries to check if the snapshot family (which must have store files) contains a provided family. It will be wrong when there are no store files under the snapshot family.
In this case, if the memstore flushing is slower than the start of the admin.snapshot, the issue comes up.
We need to make sure the flush is finished before snapshot starts. I will provide a patch to fix this.

> Fix flakey Failed tests:    TestMobFlushSnapshotFromClient>TestFlushSnapshotFromClient.testSkipFlushTableSnapshot:199 null
> --------------------------------------------------------------------------------------------------------------------------
>
>                 Key: HBASE-14701
>                 URL: https://issues.apache.org/jira/browse/HBASE-14701
>             Project: HBase
>          Issue Type: Bug
>          Components: test
>            Reporter: stack
>            Assignee: Jingcheng Du
>         Attachments: disable.txt
>
>
> This test has failed twice in last 24 hours. I removed it from master for now over in HBASE-14678.  It fails a lot. See here: https://builds.apache.org/job/HBase-TRUNK/6962/testReport/history/  It recently got refactored to remove a bunch of duplicated code.  Assigning to [~jingcheng.du@intel.com] to take a look if you have a chance please. Otherwise, unassign. Thanks.



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