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From "Hudson (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-5258) Move coprocessors set out of RegionLoad
Date Wed, 12 Dec 2012 12:13:36 GMT

    [ https://issues.apache.org/jira/browse/HBASE-5258?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13529880#comment-13529880
] 

Hudson commented on HBASE-5258:
-------------------------------

Integrated in HBase-TRUNK-on-Hadoop-2.0.0 #293 (See [https://builds.apache.org/job/HBase-TRUNK-on-Hadoop-2.0.0/293/])
    HBASE-5258 Move coprocessors set out of RegionLoad - Addendum (Sergey) (Revision 1420521)

     Result = FAILURE
tedyu : 
Files : 
* /hbase/trunk/hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/HRegionServer.java

                
> Move coprocessors set out of RegionLoad
> ---------------------------------------
>
>                 Key: HBASE-5258
>                 URL: https://issues.apache.org/jira/browse/HBASE-5258
>             Project: HBase
>          Issue Type: Task
>            Reporter: Ted Yu
>            Assignee: Sergey Shelukhin
>            Priority: Critical
>             Fix For: 0.96.0, 0.94.4
>
>         Attachments: HBASE-5258-094.patch, HBASE-5258-fix-on-top-of-v1.patch, HBASE-5258-v0.patch,
HBASE-5258-v1.patch
>
>
> When I worked on HBASE-5256, I revisited the code related to Ser/De of coprocessors set
in RegionLoad.
> I think the rationale for embedding coprocessors set is for maximum flexibility where
each region can load different coprocessors.
> This flexibility is causing extra cost in the region server to Master communication and
increasing the footprint of Master heap.
> Would HServerLoad be a better place for this set ?
> If required, region server should calculate disparity of loaded coprocessors among regions
and send report through HServerLoad

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