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Posted to mapreduce-issues@hadoop.apache.org by "Harsh J (JIRA)" <ji...@apache.org> on 2015/03/27 17:00:55 UTC

[jira] [Commented] (MAPREDUCE-5036) Default shuffle handler port should not be 8080

    [ https://issues.apache.org/jira/browse/MAPREDUCE-5036?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14384042#comment-14384042 ] 

Harsh J commented on MAPREDUCE-5036:
------------------------------------

[~tomwhite] / [~vinodkv] - Do we still need this (0 default for shuffle handler port)? Or should we re-resolve as fixed in 2.4.0?

> Default shuffle handler port should not be 8080
> -----------------------------------------------
>
>                 Key: MAPREDUCE-5036
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-5036
>             Project: Hadoop Map/Reduce
>          Issue Type: Improvement
>    Affects Versions: 2.0.3-alpha
>            Reporter: Sandy Ryza
>            Assignee: Sandy Ryza
>             Fix For: 2.4.0
>
>         Attachments: MAPREDUCE-5036-13562.patch, MAPREDUCE-5036-2.patch, MAPREDUCE-5036.patch
>
>
> The shuffle handler port (mapreduce.shuffle.port) defaults to 8080.  This is a pretty common port for web services, and is likely to cause unnecessary port conflicts.



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