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https://issues.apache.org/jira/browse/MAPREDUCE-1731?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12866050#action_12866050
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Balaji Rajagopalan commented on MAPREDUCE-1731:
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+    cluster.setUp();
+    cluster.restartClusterWithNewConfig(prop, confFile);
+    UtilsForTests.waitFor(1000);
+    cluster.setUp();

The setUp should be called only once, if it is really required to call setUp 
two times, then there is something  wrong with the current design which can be 
improved, we need to investigate further into this. Vinay can you please 
justify why are calling setUp two times, can we overcome this by changing the 
current framework implementation. 

> Process tree clean up suspended task tests.
> -------------------------------------------
>
>                 Key: MAPREDUCE-1731
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-1731
>             Project: Hadoop Map/Reduce
>          Issue Type: Task
>          Components: test
>            Reporter: Vinay Kumar Thota
>            Assignee: Vinay Kumar Thota
>         Attachments: 1731-ydist-security.patch, suspendtask_1731.patch, 
> suspendtask_1731.patch
>
>
> 1 .Verify the process tree cleanup of suspended task and task should be 
> terminated after timeout.
> 2. Verify the process tree cleanup of suspended task and resume the task 
> before task timeout.

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