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Posted to issues@spark.apache.org by "Andrew Or (JIRA)" <ji...@apache.org> on 2015/12/21 23:14:46 UTC
[jira] [Resolved] (SPARK-12392) Optimize a location order of
broadcast blocks by considering preferred local hosts
[ https://issues.apache.org/jira/browse/SPARK-12392?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Andrew Or resolved SPARK-12392.
-------------------------------
Resolution: Fixed
Assignee: Takeshi Yamamuro
Fix Version/s: 2.0.0
Target Version/s: 2.0.0
> 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: Takeshi Yamamuro
> Fix For: 2.0.0
>
>
> 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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