spark-issues mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From "Patrick Wendell (JIRA)" <j...@apache.org>
Subject [jira] [Resolved] (SPARK-2648) Randomize order of executors when fetching shuffle blocks
Date Fri, 01 Aug 2014 06:30:42 GMT

     [ https://issues.apache.org/jira/browse/SPARK-2648?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Patrick Wendell resolved SPARK-2648.
------------------------------------

    Resolution: Not a Problem

It turns out we already randomized these, just in a different part of the code.

> Randomize order of executors when fetching shuffle blocks
> ---------------------------------------------------------
>
>                 Key: SPARK-2648
>                 URL: https://issues.apache.org/jira/browse/SPARK-2648
>             Project: Spark
>          Issue Type: Improvement
>            Reporter: Lianhui Wang
>            Assignee: Lianhui Wang
>            Priority: Critical
>
> like mapreduce we need to shuffle blocksByAddress.it can avoid many reducers to connect
a executor at a time.when a map has many paritions, at a time there has so much reduces connecting
to this map.so it maybe make network's connect to timeout.
> i created PR for this issue:https://github.com/apache/spark/pull/1549



--
This message was sent by Atlassian JIRA
(v6.2#6252)

Mime
View raw message