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From "Lars Hofhansl (Commented) (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-3584) We need to atomically put/delete/increment in one call
Date Sun, 08 Jan 2012 23:48:39 GMT

    [ https://issues.apache.org/jira/browse/HBASE-3584?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13182327#comment-13182327
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Lars Hofhansl commented on HBASE-3584:
--------------------------------------

Should we do this before "client 2.0"?

What should the client side API look like?
Something like: AtomicRowOperation (which implements Row, so can itself be batched), which
wraps a set Put/Delete/Increment/Append (all for the same rowkey)?

Compared to a straight put(List<Put>), this would probably be slower as we cannot do
the same mini batching (not with a *lot* of refactoring).

Also it is not entirely clear that this could even work with Increment/Append of the special
immediate-visibility that those need. So maybe start with Put/Delete.

                
> We need to atomically put/delete/increment in one call
> ------------------------------------------------------
>
>                 Key: HBASE-3584
>                 URL: https://issues.apache.org/jira/browse/HBASE-3584
>             Project: HBase
>          Issue Type: Bug
>            Reporter: ryan rawson
>
> 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.

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