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https://issues.apache.org/jira/browse/CASSANDRA-1968?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12984838#action_12984838
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Todd Lipcon commented on CASSANDRA-1968:
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Sorry, I actually missed a step there - it first goes to the indexed free list
for <16 words. If there's nothing available there, it goes to the sLAB. When
these allocations are freed they go back into the indexed free list.
(at least this is my reading of the code, which I started looking at only
yesterday, so would be great if someone else takes a look to confirm!)
> 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, 1968_v2.txt
>
> Original Estimate: 4h
> Remaining Estimate: 4h
>
> Increasing the young generation size has a profound effect on performance and
> cpu utilization. We should set it explicitly.
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