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From "Appy (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-17470) Remove merge region code from region server
Date Wed, 18 Jan 2017 20:17:26 GMT

    [ https://issues.apache.org/jira/browse/HBASE-17470?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15828708#comment-15828708

Appy commented on HBASE-17470:

We should probably delete the old CP functions because it's not like the functionality is
deprecated, it is not there anymore in the first place.
Keeping them risks silent failure which CP devs might have hard time figuring out, whereas
removing them will throw compile error and prompt active fix.

> Remove merge region code from region server
> -------------------------------------------
>                 Key: HBASE-17470
>                 URL: https://issues.apache.org/jira/browse/HBASE-17470
>             Project: HBase
>          Issue Type: Sub-task
>          Components: regionserver
>    Affects Versions: 2.0.0
>            Reporter: Stephen Yuan Jiang
>            Assignee: Stephen Yuan Jiang
>             Fix For: 2.0.0
>         Attachments: HBASE-17470.v1-master.patch, HBASE-17470.v2-master.patch, HBASE-17470.v3-master.patch
> HBASE-16119 moves the merge region to the master-side.  There is no need to keep region_server-side
merge region code to remove logic duplication.  
> util.Merge and HMerge tools depends on RS-side merge region logic.  However, now we can
merge regions using shell command.  It is dangerous to do offline merge.  For 2.0, it is a
good time to remove those out-of-date tools.   

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