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From "Kannan Muthukkaruppan (Commented) (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-3584) Allow atomic put/delete in one call
Date Tue, 14 Feb 2012 18:07:59 GMT

    [ https://issues.apache.org/jira/browse/HBASE-3584?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13207876#comment-13207876
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Kannan Muthukkaruppan commented on HBASE-3584:
----------------------------------------------

Lars/Stack: So you are ok, if we submit a patch to rename RowMutation in trunk to RowMutations?
[I didn't understand the part about deprecating RowMutation-- that's currently only in 89-fb
branch correct? We'll try to forward port that (HBASE-3967) to trunk as well if that's ok.
                
> Allow atomic put/delete in one call
> -----------------------------------
>
>                 Key: HBASE-3584
>                 URL: https://issues.apache.org/jira/browse/HBASE-3584
>             Project: HBase
>          Issue Type: New Feature
>          Components: client, coprocessors, regionserver
>            Reporter: ryan rawson
>            Assignee: Lars Hofhansl
>             Fix For: 0.94.0
>
>         Attachments: 3584-final.txt, 3584-v1.txt, 3584-v3.txt
>
>
> Right now we have the following calls:
> put(Put)
> delete(Delete)
> increment(Increments)
> But we cannot combine all of the above in a single call, complete with a single row lock.
 It would be nice to do that.
> It would also allow us to do a CAS where we could do a put/increment if the check succeeded.
> -----
> Amendment:
> Since Increment does not currently support MVCC it cannot be included in an atomic operation.
> So this for Put and Delete only.

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