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From "Anoop Sam John (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-15381) Implement a distributed MOB compaction by procedure
Date Wed, 02 Mar 2016 10:09:18 GMT

    [ https://issues.apache.org/jira/browse/HBASE-15381?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15175381#comment-15175381
] 

Anoop Sam John commented on HBASE-15381:
----------------------------------------

Ya we need this very much..  Doing all MOB compaction IO within single process HM is not good.
+1 for the task.

> Implement a distributed MOB compaction by procedure
> ---------------------------------------------------
>
>                 Key: HBASE-15381
>                 URL: https://issues.apache.org/jira/browse/HBASE-15381
>             Project: HBase
>          Issue Type: Improvement
>          Components: mob
>            Reporter: Jingcheng Du
>            Assignee: Jingcheng Du
>
> In MOB, there is a periodical compaction which runs in HMaster (It can be disabled by
configuration), some small mob files are merged into bigger ones. Now the compaction only
runs in HMaster which is not efficient and might impact the running of HMaster. In this JIRA,
a distributed MOB compaction is introduced, it is triggered by HMaster, but all the compaction
jobs are distributed to HRegionServers.



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