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https://issues.apache.org/jira/browse/CASSANDRA-14485?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16508319#comment-16508319
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Jason Brown commented on CASSANDRA-14485:
-----------------------------------------
heh, good call with separating out the logic for pre.40 and 4.0 logic in
{{MessageInHandler}}. I was originally worried that the logic in {{decode()}}
would become more complicated if it was duplicated across two classes, but now
i see that most of the logic is different and just order of elements in the
header remains the same.
Pushed an extra commit to the same branch, and addressed the other items, as
well.
> Optimize internode messaging protocol
> -------------------------------------
>
> Key: CASSANDRA-14485
> URL: https://issues.apache.org/jira/browse/CASSANDRA-14485
> Project: Cassandra
> Issue Type: Improvement
> Components: Streaming and Messaging
> Reporter: Jason Brown
> Assignee: Jason Brown
> Priority: Major
> Fix For: 4.0.x
>
>
> There's some dead wood and places for optimization in the internode messaging
> protocol. Currently, we include the sender's \{{IPAddressAndPort}} in *every*
> internode message, even though we already sent that in the handshake that
> established the connection/session. Further, there are several places where
> we can use vints instead of a fixed, 4-byte integer value- especially as
> those values will almost always be less than one byte.
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