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https://issues.apache.org/jira/browse/CASSANDRA-4338?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Sylvain Lebresne resolved CASSANDRA-4338.
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Resolution: Duplicate
Perfect, thanks, closing as duplicate of CASSANDRA-8709 then.
> Experiment with direct buffer in SequentialWriter
> -------------------------------------------------
>
> Key: CASSANDRA-4338
> URL: https://issues.apache.org/jira/browse/CASSANDRA-4338
> Project: Cassandra
> Issue Type: Improvement
> Components: Local Write-Read Paths
> Reporter: Jonathan Ellis
> Assignee: Branimir Lambov
> Priority: Minor
> Labels: performance
> Fix For: 2.1.x
>
> Attachments: 4338-gc.tar.gz, 4338.benchmark.png,
> 4338.benchmark.snappycompressor.png, 4338.single_node.read.png,
> 4338.single_node.write.png, gc-4338-patched.png, gc-trunk-me.png,
> gc-trunk.png, gc-with-patch-me.png
>
>
> Using a direct buffer instead of a heap-based byte[] should let us avoid a
> copy into native memory when we flush the buffer.
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