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https://issues.apache.org/jira/browse/CASSANDRA-1968?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12980446#action_12980446
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Peter Schuller commented on CASSANDRA-1968:
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Attaching a version that does that calculation. Not yet intended for direct
inclusions; some of the numbers are arbitrary and maybe it should be cleaned up
a bit.
Also, correcting myself on JDK 1.7: With CMS it's apparantly
MaxGCMinorPauseMillis for young-gen (MaxGCPauseMillis). Very brief testing did
not work well but probably because I failed to tweak some other setting to
allow it to dynamically size properly. Nevermind, since 1.7 isn't out yet.
> Increase JVM young generation size
> ----------------------------------
>
> Key: CASSANDRA-1968
> URL: https://issues.apache.org/jira/browse/CASSANDRA-1968
> Project: Cassandra
> Issue Type: Improvement
> Affects Versions: 0.7.0
> Reporter: Brandon Williams
> Assignee: Brandon Williams
> Fix For: 0.7.1
>
> Attachments: 1968.txt
>
>
> Increasing the young generation size has a profound effect on performance and
> cpu utilization. We should set it explicitly.
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