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https://issues.apache.org/jira/browse/MAPREDUCE-1198?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Scott Chen updated MAPREDUCE-1198:
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Priority: Major (was: Minor)
> Alternatively schedule different types of tasks in fair share scheduler
> -----------------------------------------------------------------------
>
> Key: MAPREDUCE-1198
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-1198
> Project: Hadoop Map/Reduce
> Issue Type: Improvement
> Components: contrib/fair-share
> Reporter: Scott Chen
> Assignee: Scott Chen
>
> Matei has mentioned in MAPREDUCE-961 that the current scheduler will first
> try to launch map tasks until canLaunthTask() returns false then look for
> reduce tasks. This might starve reduce task. He also mention that
> alternatively schedule different types of tasks can solve this problem.
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