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https://issues.apache.org/jira/browse/MAPREDUCE-7259?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Ahmed Hussein updated MAPREDUCE-7259:
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Attachment: MAPREDUCE-7259.004.patch
> testSpeculateSuccessfulWithUpdateEvents fails Intermittently
> --------------------------------------------------------------
>
> Key: MAPREDUCE-7259
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-7259
> Project: Hadoop Map/Reduce
> Issue Type: Bug
> Reporter: Ahmed Hussein
> Assignee: Ahmed Hussein
> Priority: Minor
> Attachments: MAPREDUCE-7259.001.patch, MAPREDUCE-7259.002.patch,
> MAPREDUCE-7259.003.patch, MAPREDUCE-7259.004.patch
>
>
> {{TestSpeculativeExecutionWithMRApp.testSpeculateSuccessfulWithUpdateEvents}}
> fails Intermittently with the exponential estimator. The problem happens
> because assertion fails waiting for the MRApp to stop.
> There maybe a need to redesign the test case because it does not work very
> well because of the racing and the timing between the speculator and the
> tasks. It works fine for the legacy estimator because the estimate is based
> on start-end rate.
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