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From "chunhui shen (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-8219) Align Offline Merge with Online Merge
Date Tue, 02 Apr 2013 01:39:16 GMT

    [ https://issues.apache.org/jira/browse/HBASE-8219?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13619412#comment-13619412
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chunhui shen commented on HBASE-8219:
-------------------------------------

bq.the other two regions are removed by using the archiver,are they empty after the compaction?
what does the 'empty' mean?  After the compaction, the two regions' storefiles are still in
their directory. Then archiving these files (may be used for snapshot) by archiver
                
> Align Offline Merge with Online Merge
> -------------------------------------
>
>                 Key: HBASE-8219
>                 URL: https://issues.apache.org/jira/browse/HBASE-8219
>             Project: HBase
>          Issue Type: Task
>          Components: regionserver
>    Affects Versions: 0.95.0
>            Reporter: Matteo Bertozzi
>            Assignee: chunhui shen
>         Attachments: hbase-8219v1.patch, hbase-8219v2.patch
>
>
> After HBASE-7403 we now have two different tools for online and offline merge, and the
result produced by the two are different. (the online one works with snapshots, the offline
not)
> We should remove the offline one, or align it to the online code.
> Most of the offline code in HRegion.merge() can be replaced with the one in RegionMergeTransaction,
used by the online version.

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