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https://issues.apache.org/jira/browse/MAPREDUCE-626?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12729595#action_12729595
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Devaraj Das commented on MAPREDUCE-626:
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This patch has a timing issue. What if the tracker-expiry thread hasn't run?
Before asking for a task from the job, you should ensure that the TT is lost.
One way is to factor out the body of the expiry thread's run method into a
separate method within the expiry-thread class. Then you can manually invoke
that method from the testcase. Also, we should avoid Thread.sleep in the test.
> Modify TestLostTracker to improve execution time
> ------------------------------------------------
>
> Key: MAPREDUCE-626
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-626
> Project: Hadoop Map/Reduce
> Issue Type: Bug
> Reporter: Jothi Padmanabhan
> Assignee: Jothi Padmanabhan
> Priority: Minor
> Attachments: mapred-626-v1.patch, mapred-626.patch, mapred-626.patch
>
>
> This test can be made faster with a few modifications
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