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https://issues.apache.org/jira/browse/PHOENIX-2742?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15179314#comment-15179314
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Anoop Sam John commented on PHOENIX-2742:
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bq. cannot write mutations to same table in (pre/post)BatchMutate..

Why you want to write to SAME table?  Same table and diff region?

> Add new batchmutate APIs in HRegion without mvcc and region level locks
> -----------------------------------------------------------------------
>
>                 Key: PHOENIX-2742
>                 URL: https://issues.apache.org/jira/browse/PHOENIX-2742
>             Project: Phoenix
>          Issue Type: Sub-task
>            Reporter: Rajeshbabu Chintaguntla
>            Assignee: Enis Soztutar
>             Fix For: 4.8.0
>
>
> Currently we cannot write mutations to same table in (pre/post)BatchMutate 
> hooks because of mvcc. It would be better to add new API to Region which 
> allows to write to table without locks and also with out memstore size check. 
> Need to see how sequence id's going to effect when the API used in 
> coprocessor hooks. 
> Just raising here to track it.



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