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From "Zheng Shao (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HADOOP-4097) Hive interaction with speculative execution is broken
Date Tue, 09 Sep 2008 01:01:46 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-4097?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12629356#action_12629356
] 

Zheng Shao commented on HADOOP-4097:
------------------------------------

+1
Looks good. Changes only affect src/contrib/hive.



> Hive interaction with speculative execution is broken
> -----------------------------------------------------
>
>                 Key: HADOOP-4097
>                 URL: https://issues.apache.org/jira/browse/HADOOP-4097
>             Project: Hadoop Core
>          Issue Type: Bug
>          Components: contrib/hive
>            Reporter: Joydeep Sen Sarma
>            Assignee: Joydeep Sen Sarma
>            Priority: Critical
>         Attachments: hadoop-4097.1.patch
>
>
> Hive does not cleanup output files when tasks are killed. With speculative execution,
partial result files may get left behind. The commit step of the results should detect and
remove any partial output files.

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