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https://issues.apache.org/jira/browse/CASSANDRA-6759?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Benedict updated CASSANDRA-6759:
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Fix Version/s: (was: 2.1 beta2)
3.0
> CommitLogSegment should provide madvise DONTNEED hint after syncing a segment
> -----------------------------------------------------------------------------
>
> Key: CASSANDRA-6759
> URL: https://issues.apache.org/jira/browse/CASSANDRA-6759
> Project: Cassandra
> Issue Type: Improvement
> Components: Core
> Reporter: Benedict
> Assignee: Benedict
> Priority: Minor
> Fix For: 3.0
>
>
> This is a really simple change, copying what we do with SequentialWriter, but
> here we know for sure we don't intend to re-read the region again in the near
> future so it's definitely wasted file buffer space.
> I have a patch, but I would like to do some brief performance comparisons
> before submitting it, and see if providing DONTNEED at file creation like we
> do for SW is sensible.
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