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Posted to issues@tez.apache.org by "Hitesh Shah (JIRA)" <ji...@apache.org> on 2016/04/30 02:56:12 UTC
[jira] [Commented] (TEZ-3238) Shuffle service name should be configureable and should not be hardcoded to ‘mapreduce_shuffle’
[ https://issues.apache.org/jira/browse/TEZ-3238?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15265027#comment-15265027 ]
Hitesh Shah commented on TEZ-3238:
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Thanks for reporting this [~rleidle]. +1 on fixing this though it would be good to just default to the current value if the value is not specified in the configs.
Any chance of providing a patch too?
> Shuffle service name should be configureable and should not be hardcoded to ‘mapreduce_shuffle’
> -----------------------------------------------------------------------------------------------
>
> Key: TEZ-3238
> URL: https://issues.apache.org/jira/browse/TEZ-3238
> Project: Apache Tez
> Issue Type: Improvement
> Affects Versions: 0.5.0
> Reporter: Rob Leidle
>
> In YARN there are no guarantees that a shuffle service with a specific name exists. The setting '
> yarn.nodemanager.aux-services’ can be filled with a list of names that can be defined by the Hadoop cluster administrator. It is merely by convention that many clusters have their MapReduce shuffle service named ‘mapreduce_shuffle’.
> Tez is hard-coded to use a shuffle service named ‘mapreduce_shuffle’:
> https://github.com/apache/tez/blob/TEZ-8/tez-api/src/main/java/org/apache/tez/dag/api/TezConstants.java#L75. This name should be configureable. Also, this is a hidden dependency of Tez, we should add that the shuffle service is a dependency to the Tez documentation.
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