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https://issues.apache.org/jira/browse/CASSANDRA-11972?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15318998#comment-15318998
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Sylvain Lebresne commented on CASSANDRA-11972:
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I will note that while removing allocations is a worthy goal, this will only
remove those couple of allocations per-native-transport-message, which is not
necessarily a big deal, and this probably at the cost of some code clarity.
Now, it's probable in this case that the code clarity should suffer much, but I
guess my point is that we should take the habit of trying to demonstrate the
benefits of that kind of patch, or it's really premature optimization.
> Use byte[] instead of object tree in Frame.Header
> -------------------------------------------------
>
> Key: CASSANDRA-11972
> URL: https://issues.apache.org/jira/browse/CASSANDRA-11972
> Project: Cassandra
> Issue Type: Improvement
> Reporter: Robert Stupp
> Assignee: Robert Stupp
> Priority: Minor
> Fix For: 3.x
>
>
> Replacing the object tree/references in {{Frame.Header}} with {{byte[9]}}
> saves a couple of object allocations. Also, not allocating the 9 bytes for
> the header off-heap is less expensive.
> (will provide a patch soon)
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