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Posted to issues@spark.apache.org by "Patrick Wendell (JIRA)" <ji...@apache.org> on 2014/03/30 06:13:15 UTC

[jira] [Updated] (SPARK-1239) Don't fetch all map outputs at each reducer during shuffles

     [ https://issues.apache.org/jira/browse/SPARK-1239?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Patrick Wendell updated SPARK-1239:
-----------------------------------

    Reporter: Patrick Wendell  (was: Patrick Cogan)

> Don't fetch all map outputs at each reducer during shuffles
> -----------------------------------------------------------
>
>                 Key: SPARK-1239
>                 URL: https://issues.apache.org/jira/browse/SPARK-1239
>             Project: Apache Spark
>          Issue Type: Improvement
>          Components: Spark Core
>            Reporter: Patrick Wendell
>            Assignee: Andrew Or
>             Fix For: 1.0.0
>
>
> 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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