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From "Anoop Sam John (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-4210) Allow coprocessor to interact with batches per region sent from a client
Date Mon, 15 Apr 2013 09:48:17 GMT

    [ https://issues.apache.org/jira/browse/HBASE-4210?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13631616#comment-13631616
] 

Anoop Sam John commented on HBASE-4210:
---------------------------------------

bq.You mean postBatchMutate?
Yes.. sorry I corrected it now.
bq.If it calls postBatchMutate, do we still need postDelete/postPut for each mutation (as
is currently done after the mvcc forward move statement).
The postPut/Delete will be called post MVCC as in old implementation. You mean we need to
remove this? I think we should not. As per the use case either make use of pre/postBatchMutate
 or pre/postPut/Delete
                
> Allow coprocessor to interact with batches per region sent from a client
> ------------------------------------------------------------------------
>
>                 Key: HBASE-4210
>                 URL: https://issues.apache.org/jira/browse/HBASE-4210
>             Project: HBase
>          Issue Type: New Feature
>    Affects Versions: 0.94.6, 0.95.0
>            Reporter: Lars Hofhansl
>            Assignee: Anoop Sam John
>             Fix For: 0.98.0, 0.94.6, 0.95.0
>
>         Attachments: 4210_Trunk-V3.patch, HBASE-4210_94.patch, HBASE-4210_94-V2.patch,
HBASE-4210_94-V3.patch, HBASE-4210_94-V4.patch, HBASE-4210_94-V5.patch, hbase-4210-addendum.patch,
HBASE-4210_Trunk.patch, HBASE-4210_Trunk-V2.patch, HBASE-4210_Trunk-V3.patch
>
>
> Currently the coprocessor write hooks - {pre|post}{Put|Delete} - are strictly one row|cell
operations.
> It might be a good idea to allow a coprocessor to deal with batches of puts and deletes
as they arrive from the client.

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