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From "Xuefu Zhang (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HIVE-9046) Skip child tasks if parent task failed [Spark Branch]
Date Tue, 09 Dec 2014 02:26:12 GMT

    [ https://issues.apache.org/jira/browse/HIVE-9046?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14238879#comment-14238879
] 

Xuefu Zhang commented on HIVE-9046:
-----------------------------------

I believe the root cause of this issue is that the task doesn't return failed status (code)
properly.

> Skip child tasks if parent task failed [Spark Branch]
> -----------------------------------------------------
>
>                 Key: HIVE-9046
>                 URL: https://issues.apache.org/jira/browse/HIVE-9046
>             Project: Hive
>          Issue Type: Bug
>          Components: Spark
>    Affects Versions: spark-branch
>            Reporter: Chao
>
> Currently, sometimes if a parent task failed, its child task(s) will continue to execute,
even the eventual result will be incorrect. This is demonstrated in HIVE-8981.
> It's a waste of time to continue in this case. We should detect such failures and abandon
the child tasks.



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