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https://issues.apache.org/jira/browse/SAMZA-76?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13830075#comment-13830075
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Chris Riccomini commented on SAMZA-76:
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This looks really good.
One silly thing on my part. I told you to set the DEFAULT_* values to 768. They
should actually be 1024. Only -Xmx should be 768. The reason for this extra gap
is to accommodate non-heap memory usage (permgen, etc), and provide a little
buffer for the process to use some page cache.
I think if we make this tweak, and you can verify that the hello-samza project
works with these changes, we should be good to go.
> Improve default memory settings for samza tasks
> -----------------------------------------------
>
> Key: SAMZA-76
> URL: https://issues.apache.org/jira/browse/SAMZA-76
> Project: Samza
> Issue Type: Improvement
> Reporter: Jakob Homan
> Assignee: Rekha Joshi
> Priority: Minor
> Attachments: SAMZA_76.patch, SAMZA_76_1.patch, SAMZA_76_2.patch
>
>
> The {{run-class.sh}} script hardcodes the xmx setting for the launched class
> at 160M. This is generally too low, and should be bumped up, but should also
> be specified in a more overridable-friendly way via an environmental variable.
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