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Date: Fri, 7 May 2010 08:16:48 -0400 (EDT)
From: "Vinay Kumar Thota (JIRA)" <jira@apache.org>
To: mapreduce-issues@hadoop.apache.org
Subject: [jira] Updated: (MAPREDUCE-1693) Process tree clean up of either a
 failed task or killed task tests.
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     [ https://issues.apache.org/jira/browse/MAPREDUCE-1693?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Vinay Kumar Thota updated MAPREDUCE-1693:
-----------------------------------------

    Attachment: 1693-ydist_security.patch

Latest patch for Yahoo distribution security branch and this patch requires the MAPREDUCE-1713.

> Process tree clean up of either a failed task or killed task tests.
> -------------------------------------------------------------------
>
>                 Key: MAPREDUCE-1693
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-1693
>             Project: Hadoop Map/Reduce
>          Issue Type: Task
>          Components: test
>            Reporter: Vinay Kumar Thota
>            Assignee: Vinay Kumar Thota
>         Attachments: 1693-ydist_security.patch, 1693-ydist_security.patch, taskchildskilling_1693.diff, taskchildskilling_1693.diff, taskchildskilling_1693.patch, taskchildskilling_1693.patch, taskchildskilling_1693.patch, taskchildskilling_1693.patch, taskchildskilling_1693.patch, taskchildskilling_1693.patch
>
>
> The following scenarios covered in the test.
> 1. Run a job which spawns subshells in the tasks. Kill one of the task. All the child process of the killed task must be killed.
> 2. Run a job which spawns subshells in tasks. Fail one of the task. All the child process of the killed task must be killed along with the task after its failure.
> 3. Check process tree cleanup on paritcular task-tracker when we use -kill-task and -fail-task with both map and reduce.
> 4. Submit a job which would spawn child processes and each of the child processes exceeds the memory limits. Let the job complete . Check if all the child processes are killed, the overall job should fail.
> l)Submit a job which would spawn child processes and each of the child processes exceeds the memory limits. Kill/fail the job while in progress. Check if all the child processes are killed.

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