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https://issues.apache.org/jira/browse/HBASE-8458?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15350491#comment-15350491
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Chao Chu commented on HBASE-8458:
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I am also interested in this issue. Having gone through all the comments above,
it looks like we don't have a solution to achieve an equivalent of batch
checkAndPut?
> Support for batch version of checkAndPut() and checkAndDelete()
> ---------------------------------------------------------------
>
> Key: HBASE-8458
> URL: https://issues.apache.org/jira/browse/HBASE-8458
> Project: HBase
> Issue Type: Improvement
> Components: Client, regionserver
> Affects Versions: 0.95.0
> Reporter: Hari Mankude
>
> The use case is that the user has multiple threads loading hundreds of keys
> into a hbase table. Occasionally there are collisions in the keys being
> uploaded by different threads. So for correctness, it is required to do
> checkAndPut() instead of a put(). However, doing a checkAndPut() rpc for
> every key update is non optimal. It would be good to have a batch version of
> checkAndPut() similar to batch put(). The client can partition the keys on
> region boundaries.
> The jira is NOT looking for any type of cross-row locking or multi-row
> atomicity with checkAndPut()
> Batch version of checkAndDelete() is a similar requirement.
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