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From "Joydeep Sen Sarma (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HIVE-546) Script operator does not kill any spawned sub tasks in case of failures
Date Sat, 06 Jun 2009 04:45:07 GMT

    [ https://issues.apache.org/jira/browse/HIVE-546?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12716826#action_12716826
] 

Joydeep Sen Sarma commented on HIVE-546:
----------------------------------------

i think the right way to do this is to have the jvm for the task be a process leader so anything
it spawns is killed when the task is gone. there may already be some progress on recent hadoop
versions on this.

> Script operator does not kill any spawned sub tasks in case of failures
> -----------------------------------------------------------------------
>
>                 Key: HIVE-546
>                 URL: https://issues.apache.org/jira/browse/HIVE-546
>             Project: Hadoop Hive
>          Issue Type: Bug
>          Components: Query Processor
>    Affects Versions: 0.3.0
>            Reporter: Ashish Thusoo
>            Assignee: Ashish Thusoo
>
> The script operator spawns a script in a separate process. However, this process may
not get cleaned up if the top level hadoop job is killed. We need to add child process cleanup
code to the jvm shutdown hook in Hive.

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