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https://issues.apache.org/jira/browse/HBASE-27433?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17622209#comment-17622209
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chenglei commented on HBASE-27433:
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Pushed to 2.5+, thanks [~zhangduo] for review!
> DefaultMobStoreCompactor should delete MobStoreFile cleanly when compaction
> is failed
> -------------------------------------------------------------------------------------
>
> Key: HBASE-27433
> URL: https://issues.apache.org/jira/browse/HBASE-27433
> Project: HBase
> Issue Type: Bug
> Components: mob
> Affects Versions: 3.0.0-alpha-3
> Reporter: chenglei
> Assignee: chenglei
> Priority: Major
> Fix For: 2.6.0, 3.0.0-alpha-4, 2.5.2
>
>
> When compaction is failed, {{DefaultMobStoreCompactor.performCompaction}}
> deletes the {{MobStoreFile}} which is writing, but for {{OptimizedMode}},
> {{DefaultMobStoreCompactor.performCompaction}} may create multiple
> MobStoreFiles, if compaction is failed, all theses MobStoreFiles are useless
> and should be deleted altogether. We should better not depend on
> {{RSMobFileCleanerChore}} to clean them because it is mainly used for archive
> already compacted MobStoreFiles.
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