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https://issues.apache.org/jira/browse/HBASE-4210?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13630721#comment-13630721
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Himanshu Vashishtha commented on HBASE-4210:
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Sorry for coming in late here.
Regarding the release note:
preBatchMutate hook will be called after write to memstore and append and sync
to WAL.
You mean postBatchMutate?
If it calls postBatchMutate, do we still need postDelete/postPut for each
mutation (as is currently done after the mvcc forward move statement). This
looks wrong to me.
> 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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