Steve Loughran created YARN-1565:
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Summary: Add a way for YARN clients to get critical YARN system
properties from the RM
Key: YARN-1565
URL: https://issues.apache.org/jira/browse/YARN-1565
Project: Hadoop YARN
Issue Type: Improvement
Components: resourcemanager
Affects Versions: 2.2.0
Reporter: Steve Loughran
If you are trying to build up an AM request, you need to know
# the limits of memory, core &c for the chosen queue
# the existing YARN classpath
# the path separator for the target platform (so your classpath comes out right)
# cluster OS: in case you need some OS-specific changes
The classpath can be in yarn-site.xml, but a remote client may not have that.
The site-xml file doesn't list Queue resource limits, cluster OS or the path
separator.
A way to query the RM for these values would make it easier for YARN clients to
build up AM submissions with less guesswork and client-side config.
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