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https://issues.apache.org/jira/browse/SPARK-12392?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Apache Spark reassigned SPARK-12392:
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Assignee: Apache Spark
> Optimize a location order of broadcast blocks by considering preferred local
> hosts
> ----------------------------------------------------------------------------------
>
> Key: SPARK-12392
> URL: https://issues.apache.org/jira/browse/SPARK-12392
> Project: Spark
> Issue Type: Improvement
> Components: Spark Core
> Affects Versions: 1.5.2
> Reporter: Takeshi Yamamuro
> Assignee: Apache Spark
>
> When multiple workers exist in a host, we can bypass unnecessary remote
> access for broadcasts; block managers fetch broadcast blocks from the same
> host instead of remote hosts.
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