Takeshi Yamamuro created SPARK-12392:
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Summary: 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
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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