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Posted to issues@spark.apache.org by "Sandy Ryza (JIRA)" <ji...@apache.org> on 2014/09/02 07:54:20 UTC
[jira] [Updated] (SPARK-1239) Don't fetch all map output statuses
at each reducer during shuffles
[ https://issues.apache.org/jira/browse/SPARK-1239?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Sandy Ryza updated SPARK-1239:
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Summary: Don't fetch all map output statuses at each reducer during shuffles (was: Don't fetch all map outputs at each reducer during shuffles)
> Don't fetch all map output statuses at each reducer during shuffles
> -------------------------------------------------------------------
>
> Key: SPARK-1239
> URL: https://issues.apache.org/jira/browse/SPARK-1239
> Project: Spark
> Issue Type: Improvement
> Components: Spark Core
> Reporter: Patrick Wendell
> Assignee: Andrew Or
> Fix For: 1.1.0
>
>
> Instead we should modify the way we fetch map output statuses to take both a mapper and a reducer - or we should just piggyback the statuses on each task.
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