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https://issues.apache.org/jira/browse/SPARK-7826?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Apache Spark reassigned SPARK-7826:
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Assignee: (was: Apache Spark)
> Suppress extra calling getCacheLocs.
> ------------------------------------
>
> Key: SPARK-7826
> URL: https://issues.apache.org/jira/browse/SPARK-7826
> Project: Spark
> Issue Type: Improvement
> Components: Spark Core
> Reporter: Takuya Ueshin
>
> There are too many extra call method {{getCacheLocs}} for {{DAGScheduler}},
> which includes Akka communication.
> To improve {{DAGScheduler}} performance, suppress extra calling the method.
> In my application with over 1200 stages, the execution time became 3.8 min
> from 8.5 min with my patch.
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