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https://issues.apache.org/jira/browse/SPARK-6521?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15033016#comment-15033016
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Takeshi Yamamuro edited comment on SPARK-6521 at 12/15/15 9:23 AM:
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Performance of the current Spark heavily depends on CPU, so this shuffle
optimization has little effect on that ( benchmark results could be found in
pullreq #9478). For a while, this ticket needs not to be considered.
was (Author: maropu):
Performance of the current Spark heavily depends on CPU, so this shuffle
optimization has little effect on that ( benchmark results could be found in
pullreq #9478). For a while, this ticket needs not to be considered and
> Bypass network shuffle read if both endpoints are local
> -------------------------------------------------------
>
> Key: SPARK-6521
> URL: https://issues.apache.org/jira/browse/SPARK-6521
> Project: Spark
> Issue Type: Improvement
> Components: Shuffle, Spark Core
> Affects Versions: 1.2.0
> Reporter: xukun
>
> In the past, executor read other executor's shuffle file in the same node by
> net. This pr make that executors in the same node read local shuffle file In
> sort-based Shuffle. It will reduce net transport.
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