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From "Vinay Kumar Thota (JIRA)" <j...@apache.org>
Subject [jira] Commented: (MAPREDUCE-1713) Utilities for system tests specific.
Date Wed, 12 May 2010 17:52:42 GMT

    [ https://issues.apache.org/jira/browse/MAPREDUCE-1713?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12866656#action_12866656
] 

Vinay Kumar Thota commented on MAPREDUCE-1713:
----------------------------------------------

- don't use intExp.printStackTrace();. Consider passing the Throwable to LOG.warn invocation
instead.
Done.

- stop() and stop(String confLocation) are defined in ClusterProcessManagement interface.
So, I'm kinda confused by your explanation
Yes,you are correct.But what I said is the stop() and start() methods are also available in
AbstractDamenonCluster. Those methods 
implcitly calling the clusterManager.start() and clusterManager.stop().


> Utilities for system tests specific.
> ------------------------------------
>
>                 Key: MAPREDUCE-1713
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-1713
>             Project: Hadoop Map/Reduce
>          Issue Type: Task
>          Components: test
>            Reporter: Vinay Kumar Thota
>            Assignee: Vinay Kumar Thota
>         Attachments: 1713-ydist-security.patch, 1713-ydist-security.patch, 1713-ydist-security.patch,
1713-ydist-security.patch, systemtestutils_MR1713.patch, utilsforsystemtest_1713.patch
>
>
> 1.  A method for restarting  the daemon with new configuration.
>       public static  void restartCluster(Hashtable<String,Long> props, String confFile)
throws Exception;
> 2.  A method for resetting the daemon with default configuration.
>       public void resetCluster() throws Exception;
> 3.  A method for waiting until daemon to stop.
>       public  void waitForClusterToStop() throws Exception;
> 4.  A method for waiting until daemon to start.
>       public  void waitForClusterToStart() throws Exception;
> 5.  A method for checking the job whether it has started or not.
>       public boolean isJobStarted(JobID id) throws IOException;
> 6.  A method for checking the task whether it has started or not.
>       public boolean isTaskStarted(TaskInfo taskInfo) throws IOException;

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