yeshavora created YARN-1057:
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Summary: Add mechanism to check validity of a Node to be
Added/Excluded
Key: YARN-1057
URL: https://issues.apache.org/jira/browse/YARN-1057
Project: Hadoop YARN
Issue Type: Bug
Affects Versions: 2.1.0-beta
Reporter: yeshavora
Yarn does not complain while passing an invalid hostname like 'invalidhost.com'
inside include/exclude node file. (specified by
'yarn.resourcemanager.nodes.include-path' or
'yarn.resourcemanager.nodes.exclude-path').
Need to add a mechanism to check the validity of the hostname before including
or excluding from cluster. It should throw an error / exception while
adding/removing an invalid node.
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