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https://issues.apache.org/jira/browse/HBASE-11644?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14086324#comment-14086324
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Jonathan Hsieh commented on HBASE-11644:
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I reorganized the description to make it easier to follow.
> External MOB compaction tools
> -----------------------------
>
> Key: HBASE-11644
> URL: https://issues.apache.org/jira/browse/HBASE-11644
> Project: HBase
> Issue Type: Sub-task
> Components: Compaction, master
> Reporter: Jingcheng Du
> Assignee: Jingcheng Du
>
> The MOB files are involved in the HBase compaction. It means there's no
> chance to delete and merge the MOB files. The external tools do this, one is
> a cleaner to clean the MOB files that are expired (by TTL and minVersions),
> the other one is a sweep tool to clean the deleted Cells in HBase and merge
> small files into bigger ones. These tools are triggered by users. Besides,
> the cleaner could be a chore in HMaster.
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