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https://issues.apache.org/jira/browse/SPARK-8323?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Sean Owen resolved SPARK-8323.
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Resolution: Won't Fix
Target Version/s: (was: 1.4.1)
> Remove mapOutputTracker field in TaskSchedulerImpl
> --------------------------------------------------
>
> Key: SPARK-8323
> URL: https://issues.apache.org/jira/browse/SPARK-8323
> Project: Spark
> Issue Type: Improvement
> Components: Scheduler, Spark Core
> Reporter: patrickliu
>
> Because TaskSchedulerImpl's mapOutputTracker field is only referenced once in
> TaskSetManager.
> I think we could remove the mapOutputTracker field in the TaskSchedulerImpl
> class.
> Instead, we could reference the mapOutputTracker from SparkEnv directly in
> TaskSetManager.
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