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https://issues.apache.org/jira/browse/HBASE-4720?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13172988#comment-13172988
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Zhihong Yu commented on HBASE-4720:
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I suggest working on patch for TRUNK.
Once the review is done and patch gets integrated, you can backport it to 0.90
This means you would run patched 0.90 build in production for a while before
the backport is finalized in 0.90.6
HBASE-4508 is such an example.
Is the above procedure acceptable ?
> Implement atomic update operations (checkAndPut, checkAndDelete) for REST
> client/server
> ----------------------------------------------------------------------------------------
>
> Key: HBASE-4720
> URL: https://issues.apache.org/jira/browse/HBASE-4720
> Project: HBase
> Issue Type: Improvement
> Reporter: Daniel Lord
> Assignee: Mubarak Seyed
> Fix For: 0.94.0
>
> Attachments: HBASE-4720.v1.patch, HBASE-4720.v3.patch
>
>
> I have several large application/HBase clusters where an application node
> will occasionally need to talk to HBase from a different cluster. In order
> to help ensure some of my consistency guarantees I have a sentinel table that
> is updated atomically as users interact with the system. This works quite
> well for the "regular" hbase client but the REST client does not implement
> the checkAndPut and checkAndDelete operations. This exposes the application
> to some race conditions that have to be worked around. It would be ideal if
> the same checkAndPut/checkAndDelete operations could be supported by the REST
> client.
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