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https://issues.apache.org/jira/browse/CASSANDRA-3617?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13270147#comment-13270147
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Brandon Williams commented on CASSANDRA-3617:
---------------------------------------------
In a 4 node cluster with rf=1 (to maximize the number of messages needed) using
4M rows there was about a 6% improvement on writes and a 12.5% improvement on
reads. I expect this would grow over time with the size of the test.
> Clean up and optimize Message
> -----------------------------
>
> Key: CASSANDRA-3617
> URL: https://issues.apache.org/jira/browse/CASSANDRA-3617
> Project: Cassandra
> Issue Type: Improvement
> Components: Core
> Reporter: Jonathan Ellis
> Assignee: Yuki Morishita
> Fix For: 1.2
>
>
> The Message class has grown largely by accretion and it shows. There are
> several problems:
> - Outbound and inbound messages aren't really the same thing and should not
> be conflated
> - We pre-serialize message bodies to byte[], then copy those bytes onto the
> Socket buffer, instead of just keeping a reference to the object being
> serialized and then writing it out directly to the socket
> - MessagingService versioning is poorly encapsulating, scattering version
> variables and references to things like CachingMessageProducer across the
> codebase
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