[jira] [Commented] (MAHOUT-1766) Increase default PermGen size for spark-shell

["Suneel Marthi (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/MAHOUT-1766?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15223380#comment-15223380 ] 

Suneel Marthi commented on MAHOUT-1766:
---------------------------------------

I would go with documenting this in README

> Increase default PermGen size for spark-shell
> ---------------------------------------------
>
>                 Key: MAHOUT-1766
>                 URL: https://issues.apache.org/jira/browse/MAHOUT-1766
>             Project: Mahout
>          Issue Type: Improvement
>          Components: Mahout spark shell
>    Affects Versions: 0.11.0
>            Reporter: Sergey Tryuber
>            Assignee: Andrew Musselman
>             Fix For: 0.12.0
>
>
> 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):
> {code}
> "$JAVA" $JAVA_HEAP_MAX -XX:PermSize=512m $MAHOUT_OPTS -classpath "$CLASSPATH" "org.apache.mahout.sparkbindings.shell.Main" $@
> {code}
> Of course, more elegant solution is needed. After the applied fix, the errors had gone.



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