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From "Chia-Ping Tsai (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-20017) BufferedMutatorImpl submit the same mutation repeatedly
Date Sun, 18 Feb 2018 12:53:02 GMT

    [ https://issues.apache.org/jira/browse/HBASE-20017?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16368535#comment-16368535
] 

Chia-Ping Tsai commented on HBASE-20017:
----------------------------------------

The failed tests pass locally. try the patch for branch-1

> BufferedMutatorImpl submit the same mutation repeatedly
> -------------------------------------------------------
>
>                 Key: HBASE-20017
>                 URL: https://issues.apache.org/jira/browse/HBASE-20017
>             Project: HBase
>          Issue Type: Bug
>          Components: Client
>            Reporter: Chia-Ping Tsai
>            Assignee: Chia-Ping Tsai
>            Priority: Blocker
>             Fix For: 2.0.0, 1.5.0, 1.4.3
>
>         Attachments: HBASE-20017.branch-1.4.v0.patch.patch, HBASE-20017.branch-1.v0.patch.patch
>
>
> BMI pass a iter of inner buffer to AccessProcess to take the undealt mutations, AsyncProcess
call iter#next to get the mutation and then call iter#remove to delete the mutation from
inner buffer. Hence, There's a good chance that  the mutation is processed repeatedly in
case there are a bunch of threads which are running the flush.



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