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From "Hudson (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HADOOP-2721) Use job control for tasks (and therefore for pipes and streaming)
Date Mon, 16 Feb 2009 17:02:49 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-2721?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12673969#action_12673969
] 

Hudson commented on HADOOP-2721:
--------------------------------

Integrated in Hadoop-trunk #756 (See [http://hudson.zones.apache.org/hudson/job/Hadoop-trunk/756/])
    

> Use job control for tasks (and therefore for pipes and streaming)
> -----------------------------------------------------------------
>
>                 Key: HADOOP-2721
>                 URL: https://issues.apache.org/jira/browse/HADOOP-2721
>             Project: Hadoop Core
>          Issue Type: Improvement
>          Components: contrib/streaming, mapred, pipes
>            Reporter: Owen O'Malley
>            Assignee: Ravi Gummadi
>             Fix For: 0.21.0
>
>         Attachments: HADOOP-2721-v10.patch, HADOOP-2721-v11.1.patch, HADOOP-2721-v11.3.patch,
HADOOP-2721-v11.4.patch, HADOOP-2721-v11.patch, HADOOP-2721-v2.patch, HADOOP-2721-v3.patch,
HADOOP-2721-v9.patch, HADOOP-2721.patch, HADOOP-2721.patch, HADOOP-2721.patch
>
>
> We should use the setsid command when the task is launched to create a new session. We
should be able to use the setsid program when we launch the bash process to create a new session.
That will allow us to kill the entire session with a single signal and remove the need for
the ping methods in both TaskTracker.Child and pipes.

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