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https://issues.apache.org/jira/browse/HBASE-4720?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13191700#comment-13191700
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Zhihong Yu commented on HBASE-4720:
-----------------------------------
@Lars:
Feel free to create one JIRA for RowMutations.
> 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.trunk.v1.patch, HBASE-4720.trunk.v2.patch,
> HBASE-4720.trunk.v3.patch, HBASE-4720.trunk.v4.patch,
> HBASE-4720.trunk.v5.patch, HBASE-4720.trunk.v6.patch, 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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