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https://issues.apache.org/jira/browse/MAPREDUCE-5403?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13715757#comment-13715757
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Sandy Ryza commented on MAPREDUCE-5403:
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I don't think yarn.resourcemanager.address should be an environment variable.
I think there is a conceptual difference between a client knowing how to
contact a service and a client knowing about details of the service's
internals. Do you disagree?
In an ideal world, I think should be able to point my application at a YARN
cluster without thinking about where the YARN jars were installed. I
understand that for MR we will still not entirely have achieved this ideal,
because the client still needs to know where the MR jars are. But the change
would be a step in the right direction and help lay the groundwork for a
solution by untangling the application from the framework.
> Get rid of yarn.application.classpath
> -------------------------------------
>
> Key: MAPREDUCE-5403
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-5403
> Project: Hadoop Map/Reduce
> Issue Type: Improvement
> Components: client
> Affects Versions: 2.0.5-alpha
> Reporter: Sandy Ryza
> Assignee: Sandy Ryza
>
> yarn.application.classpath is a confusing property because it is used by
> MapReduce and not YARN, and MapReduce already has
> mapreduce.application.classpath, which provides the same functionality.
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