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Posted to issues@tez.apache.org by "Rob Leidle (JIRA)" <ji...@apache.org> on 2016/04/30 01:42:12 UTC
[jira] [Created] (TEZ-3238) Shuffle service name should be configureable and should not be hardcoded to ‘mapreduce_shuffle’
Rob Leidle created TEZ-3238:
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Summary: 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: 0.8.2
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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