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From "Sergey Tryuber (JIRA)" <>
Subject [jira] [Created] (MAHOUT-1766) Increase default PermGen size for spark-shell
Date Thu, 13 Aug 2015 15:42:46 GMT
Sergey Tryuber created MAHOUT-1766:

             Summary: Increase default PermGen size for spark-shell
                 Key: MAHOUT-1766
             Project: Mahout
          Issue Type: Improvement
          Components: Mahout spark shell
            Reporter: Sergey Tryuber

Mahout spark-shell is run with default perm gen size (64MB). Taking into account that it depends
on lots of external jars and the whole count of used Java classes is very large, we constantly
observe spontaneous corresponding OOM exceptions.

A hot fix from our side is to modify envelope bash script (added -XX:PermSize=512m):
"$JAVA" $JAVA_HEAP_MAX -XX:PermSize=512m $MAHOUT_OPTS -classpath "$CLASSPATH" ""
Of course, more elegant solution is needed. After the applied fix, the errors had gone.

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