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https://issues.apache.org/jira/browse/YARN-702?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13662439#comment-13662439
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Sandy Ryza commented on YARN-702:
---------------------------------
In both cases, the applications were setting the RM address by pulling the
value from the MiniCluster config, but not using the config in general.
> minicluster classpath construction requires user to set yarn.is.minicluster
> in the job conf
> -------------------------------------------------------------------------------------------
>
> Key: YARN-702
> URL: https://issues.apache.org/jira/browse/YARN-702
> Project: Hadoop YARN
> Issue Type: Improvement
> Components: nodemanager
> Affects Versions: 2.0.4-alpha
> Reporter: Sandy Ryza
> Assignee: Sandy Ryza
>
> YARN-129 improved classpath construction for miniclusters by, when
> yarn.is.minicluster is set, adding the current JVM's classpath to the
> ContainerLaunchContext for the MR AM and tasks. An issue with this is that
> it requires the user to set yarn.is.minicluster on the mapreduce side in the
> job conf, if they are not copying to RM conf into the jobconf.
> I think it would be better to bypass the ContainerLaunchContext and instead
> have the nodemanager check the property, and if it is true, do the classpath
> additions there.
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