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From "Akira AJISAKA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (MAPREDUCE-5763) Warn message about httpshuffle in NM logs
Date Fri, 23 Oct 2015 10:07:27 GMT

    [ https://issues.apache.org/jira/browse/MAPREDUCE-5763?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14970757#comment-14970757

Akira AJISAKA commented on MAPREDUCE-5763:

Hi [~naren.koneru], how is this issue going? If you don't have time to work on this issue,
I'd like to take it over.

> Warn message about httpshuffle in NM logs
> -----------------------------------------
>                 Key: MAPREDUCE-5763
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-5763
>             Project: Hadoop Map/Reduce
>          Issue Type: Bug
>            Reporter: Sandy Ryza
>            Assignee: Naren Koneru
> {code}
> 2014-02-20 12:08:45,141 WARN org.apache.hadoop.yarn.server.nodemanager.containermanager.AuxServices:
The Auxilurary Service named 'mapreduce_shuffle' in the configuration is for class class org.apache.hadoop.mapred.ShuffleHandler
which has a name of 'httpshuffle'. Because these are not the same tools trying to send ServiceData
and read Service Meta Data may have issues unless the refer to the name in the config.
> 2014-02-20 12:08:45,142 INFO org.apache.hadoop.yarn.server.nodemanager.containermanager.AuxServices:
Adding auxiliary service httpshuffle, "mapreduce_shuffle"
> {code}
> I'm seeing this in my NodeManager logs,  even though things work fine.  A WARN is being
caused by some sort of mismatch between the name of the service (in terms of org.apache.hadoop.service.Service.getName())
and the name of the auxiliary service.

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