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https://issues.apache.org/jira/browse/HBASE-20024?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16373560#comment-16373560
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Umesh Agashe commented on HBASE-20024:
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[~stack], I think I know what may be the problem here. Mind if I take this one?
> TestMergeTableRegionsProcedure is STILL flakey
> ----------------------------------------------
>
> Key: HBASE-20024
> URL: https://issues.apache.org/jira/browse/HBASE-20024
> Project: HBase
> Issue Type: Sub-task
> Reporter: stack
> Assignee: stack
> Priority: Major
> Attachments: HBASE-20024.branch-2.001.patch
>
>
> This is a follow-on from HBASE-20015. Root issue is that merge does not
> support rollback once it has hit the point-of-no-return; it can only
> roll-forward at this point.
> HBASE-18018 added abort to all procedures. HBASE-18016 added ignoring abort
> to the truncate procedure to get around flakeyness. HBASE-20022 is a new
> issue to figure what to do w/ unabortable procedures.
> Meantime, merge and split have PONR and the procedure executor test harness
> does abort regardless making these tests flakies. Adding an ignore of the
> abort once into the PONR makes sense (Always? HBASE-20022 is for those as yet
> unknown cases where it does not). Let me ignore to merge and split in this
> issue to address flakeyness.
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