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From "Sharad Agarwal (JIRA)" <j...@apache.org>
Subject [jira] Commented: (MAPREDUCE-1713) Utilities for system tests specific.
Date Tue, 11 May 2010 07:49:41 GMT

    [ https://issues.apache.org/jira/browse/MAPREDUCE-1713?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12866083#action_12866083

Sharad Agarwal commented on MAPREDUCE-1713:

Some comments: (Not looked at the full patch yet.)
- resetClusterWithDefaultConfig() is unnecessary. Simple restart should work, no ? We should
consider removing ClusterProcessManager.stop(String newConfLocation) as while stopping we
don't need to know the config.
- newConfDir must not be static. It is not required to be class variable
- AbstractDaemonCluster.restartClusterWithNewConfig can't directly use HadoopDaemonRemoteCluster
concrete implementation
- getHadoopLocalConfDir in HadoopDaemonRemoteCluster should not be static. This method need
not be in HadoopDaemonRemoteCluster. It can be a private method in AbstractDaemonCluster itself.
- isJobStarted and isTaskStarted should be in JTClient instead of MRCluster.
- index in waitForClusterToStop() can be removed by directly starting the thread instance

> 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,
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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