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https://issues.apache.org/jira/browse/CASSANDRA-3254?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13113810#comment-13113810
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Jonathan Ellis commented on CASSANDRA-3254:
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Do you see a performance difference in practice?
The problem is that this cuts down the extra bytes by adding copies to extra
byte[], so I'm not sure it's a big win without avoiding the copies too a la
CASSANDRA-1788.
> MessagingService sends blank bytes
> ----------------------------------
>
> Key: CASSANDRA-3254
> URL: https://issues.apache.org/jira/browse/CASSANDRA-3254
> Project: Cassandra
> Issue Type: Bug
> Affects Versions: 0.8.6
> Reporter: Greg Hinkle
> Attachments: cassandra-0.8-3254.txt
>
>
> MessagingService is calling DataOutputBuffer.getData() instead of
> .asByteArray() in two places. This results in always sending the full buffer
> size of at least 128 bytes even if the message is smaller. For messages like
> gossip and single col mutations its around 40 to 80 bytes wasted per message.
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