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https://issues.apache.org/jira/browse/HBASE-10169?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Jingcheng Du updated HBASE-10169:
---------------------------------

    Issue Type: Sub-task  (was: New Feature)
        Parent: HBASE-10171

> 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: 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, and the results will be merged ahead in the server 
> side before being returned to the client.



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