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https://issues.apache.org/jira/browse/CASSANDRA-1968?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12980412#action_12980412
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Peter Schuller commented on CASSANDRA-1968:
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FWIW, on JDK 1.7, using MaxGCPauseMillis set to a reasonable value may be a
good idea, allowing the VM to choose a young-gen size as large as possible to
accomodate the pause time goal (while originally introduced for G1 it's also
usable with CMS, though I haven't tried how well it works with CMS).
Unfortunately this is not available before 1.7.
> 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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