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From "Hudson (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-10169) Batch coprocessor
Date Fri, 14 Mar 2014 01:07:52 GMT

    [ https://issues.apache.org/jira/browse/HBASE-10169?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13934393#comment-13934393
] 

Hudson commented on HBASE-10169:
--------------------------------

FAILURE: Integrated in HBase-TRUNK-on-Hadoop-1.1 #116 (See [https://builds.apache.org/job/HBase-TRUNK-on-Hadoop-1.1/116/])
HBASE-10736 Fix Javadoc warnings introduced in HBASE-10169 (apurtell: rev 1577250)
* /hbase/trunk/hbase-client/src/main/java/org/apache/hadoop/hbase/client/RegionCoprocessorServiceExec.java


> Batch coprocessor
> -----------------
>
>                 Key: HBASE-10169
>                 URL: https://issues.apache.org/jira/browse/HBASE-10169
>             Project: HBase
>          Issue Type: Sub-task
>          Components: Coprocessors
>    Affects Versions: 0.99.0
>            Reporter: Jingcheng Du
>            Assignee: Jingcheng Du
>             Fix For: 0.98.1, 0.99.0
>
>         Attachments: 10169-alternate-5-0.98.patch, 10169-alternate-5-trunk.patch, Batch
Coprocessor Design Document.docx, HBASE-10169-V2.patch, HBASE-10169-V3.patch, HBASE-10169-V3.patch,
HBASE-10169-V4.patch, HBASE-10169-V5.patch, HBASE-10169-alternate-2.patch, HBASE-10169-alternate-3.patch,
HBASE-10169-alternate-4.patch, HBASE-10169-alternate.patch, HBASE-10169.patch
>
>
> This is designed to improve the coprocessor invocation in the client side. 
> Currently the coprocessor invocation is to send a call to each region. If there’s one
region server, and 100 regions are located in this server, each coprocessor invocation will
send 100 calls, each call uses a single thread in the client side. The threads will run out
soon when the coprocessor invocations are heavy. 
> In this design, all the calls to the same region server will be grouped into one in a
single coprocessor invocation. This call will be spread into each region in the server side.



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