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https://issues.apache.org/jira/browse/HBASE-22075?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16801925#comment-16801925
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Vladimir Rodionov commented on HBASE-22075:
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{quote}
What about your sketch of a test doesn't work with your fix?
{quote}
Not sure, I am following you here, [~elserj]. Without fix, the issue can be
reproduced - I have already working unit test. To show that the patch fixes the
issue, we need to run this test twice: with patch disabled and enabled - this
is what I call - hack.
> Potential data loss when MOB compaction fails
> ---------------------------------------------
>
> Key: HBASE-22075
> URL: https://issues.apache.org/jira/browse/HBASE-22075
> Project: HBase
> Issue Type: Bug
> Components: mob
> Affects Versions: 2.1.0, 2.0.0, 2.0.1, 2.1.1, 2.0.2, 2.0.3, 2.1.2, 2.0.4,
> 2.1.3
> Reporter: Vladimir Rodionov
> Assignee: Vladimir Rodionov
> Priority: Critical
> Labels: mob
> Fix For: 2.2.0, 2.0.6, 2.1.5
>
> Attachments: HBASE-22075-v1.patch
>
>
> When MOB compaction fails during last step (bulk load of a newly created
> reference file) there is a high chance of a data loss due to partially loaded
> reference file, cells of which refer to (now) non-existent MOB file. The
> newly created MOB file is deleted automatically in case of a MOB compaction
> failure, but some cells with the references to this file might be loaded to
> HBase.
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