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From "Lars Hofhansl (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-4210) Allow coprocessor to interact with batches per region sent from a client(?)
Date Thu, 21 Feb 2013 04:38:14 GMT

    [ https://issues.apache.org/jira/browse/HBASE-4210?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13582912#comment-13582912
] 

Lars Hofhansl commented on HBASE-4210:
--------------------------------------

+1 on patch (both 0.94 and 0.96).

MiniBatchOperationInProgress is still a bit questionable (slightly overkill. IMHO, just to
hide the array offset). Also this won't allow the RegionObserver to interfere with the batch
of operations (for example removing one), but I guess that would be tricky anyway.

                
> 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: 0.94.0
>            Reporter: Lars Hofhansl
>            Assignee: Anoop Sam John
>            Priority: Minor
>             Fix For: 0.96.0, 0.94.6
>
>         Attachments: HBASE-4210_94.patch, HBASE-4210_94-V2.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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