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Posted to issues@hive.apache.org by "Wei Zheng (JIRA)" <ji...@apache.org> on 2016/02/23 22:18:18 UTC

[jira] [Commented] (HIVE-13126) Clean up MapJoinOperator properly to avoid object cache reuse with unintentional states

    [ https://issues.apache.org/jira/browse/HIVE-13126?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15159661#comment-15159661 ] 

Wei Zheng commented on HIVE-13126:
----------------------------------

[~vikram.dixit] Can you take a look?

> Clean up MapJoinOperator properly to avoid object cache reuse with unintentional states
> ---------------------------------------------------------------------------------------
>
>                 Key: HIVE-13126
>                 URL: https://issues.apache.org/jira/browse/HIVE-13126
>             Project: Hive
>          Issue Type: Bug
>          Components: Hive
>    Affects Versions: 2.0.0
>            Reporter: Wei Zheng
>            Assignee: Wei Zheng
>         Attachments: HIVE-13126.1.patch
>
>
> For a given job, one task may reuse other task's object cache (plan cache) such as MapJoinOperator. This is fine. But if we have some dirty states left over, it may cause issue like wrong results.



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