Restricting Application Manager in YARN to Specific Port Range

Document created by mufeed on Feb 13, 2016
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Author: Mufeed Usman


Original Publication Date: March 31, 2015




If as part of securing your environment, you've a policy of restricting application port usage to a specific range, you could very well have that in place for AM in YARN context. As not having this in place will limit your visibility into active job progress/status even though the job successfully completes.



For the above have the following entry added to mapred-site.xml on all the nodes.


Followed by a Warden restart on all the nodes.