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From "BELUGA BEHR (JIRA)" <j...@apache.org>
Subject [jira] [Created] (YARN-9259) Assign ApplicationMaster (AM) Memory Based on Container Size
Date Thu, 31 Jan 2019 17:06:00 GMT
BELUGA BEHR created YARN-9259:
---------------------------------

             Summary: Assign ApplicationMaster (AM) Memory Based on Container Size
                 Key: YARN-9259
                 URL: https://issues.apache.org/jira/browse/YARN-9259
             Project: Hadoop YARN
          Issue Type: Improvement
            Reporter: BELUGA BEHR


[YARN-7936] introduced a sane default value for the ApplicationMaster (AM) Java heap size.
 However, [MAPREDUCE-5785] added a feature that sets the Java Heap size of the Mapper/Reducer
to be 80% (configurable, of course) of the YARN container size.

Please add similar logic for MR ApplicationMaster.  If the size of the AM container is increased,
the JVM heap size should be too automatically.



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