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From "ChiaPing Tsai (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-17076) implement getAndPut() and getAndDelete()
Date Thu, 17 Nov 2016 10:34:58 GMT

    [ https://issues.apache.org/jira/browse/HBASE-17076?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15673356#comment-15673356
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ChiaPing Tsai commented on HBASE-17076:
---------------------------------------

The test failure for TestAssignmentListener is tracked by [HBASE-17120|https://issues.apache.org/jira/browse/HBASE-17120]

> implement getAndPut() and getAndDelete()
> ----------------------------------------
>
>                 Key: HBASE-17076
>                 URL: https://issues.apache.org/jira/browse/HBASE-17076
>             Project: HBase
>          Issue Type: New Feature
>    Affects Versions: 2.0.0
>            Reporter: ChiaPing Tsai
>            Assignee: ChiaPing Tsai
>            Priority: Minor
>             Fix For: 2.0.0
>
>         Attachments: HBASE-17076-v0.patch, HBASE-17076-v1.patch, HBASE-17076-v2.patch
>
>
> We implement the getAndPut() and getAndDelete() by coprocessor, but there are a lot of
duplicate effort (e.g., data checks, row lock, returned value, and wal). It is cool if we
provide the compare-and-swap primitive.
> The draft patch is attached. Any advice and suggestions will be greatly appreciated.
> Thanks.



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