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Posted to issues@hbase.apache.org by "ramkrishna.s.vasudevan (JIRA)" <ji...@apache.org> on 2013/01/02 05:08:13 UTC
[jira] [Commented] (HBASE-4210) Allow coprocessor to interact with
batches per region sent from a client(?)
[ https://issues.apache.org/jira/browse/HBASE-4210?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13541988#comment-13541988 ]
ramkrishna.s.vasudevan commented on HBASE-4210:
-----------------------------------------------
Yes. We encountered some dead lock situation wrt to the advancing the mvcc and the order in which the flush was happening. Infact some dataloss also we encountered that time.
> 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
> Reporter: Lars Hofhansl
> Assignee: Anoop Sam John
> Priority: Minor
>
> 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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