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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-10169) Batch coprocessor
Date Wed, 22 Jan 2014 07:55:20 GMT

    [ https://issues.apache.org/jira/browse/HBASE-10169?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13878381#comment-13878381
] 

Hadoop QA commented on HBASE-10169:
-----------------------------------

{color:red}-1 overall{color}.  Here are the results of testing the latest attachment 
  http://issues.apache.org/jira/secure/attachment/12624292/HBASE-10169-V2.patch
  against trunk revision .
  ATTACHMENT ID: 12624292

    {color:green}+1 @author{color}.  The patch does not contain any @author tags.

    {color:green}+1 tests included{color}.  The patch appears to include 20 new or modified
tests.

    {color:red}-1 patch{color}.  The patch command could not apply the patch.

Console output: https://builds.apache.org/job/PreCommit-HBASE-Build/8492//console

This message is automatically generated.

> 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
>         Attachments: Batch Coprocessor Design Document.docx, HBASE-10169-V2.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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