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https://issues.apache.org/jira/browse/CASSANDRA-8457?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16102128#comment-16102128
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Jason Brown commented on CASSANDRA-8457:
----------------------------------------
dtests running locally, including upgrade and no_vodes tests, are passing (with
the exception of those not working on trunk, and one other that is related to
CASSANDRA-12229).
[~slebresne] and I discussed offline, and he agreed the
{{OutboundConnectionParams}} taking a {{Consumer<QueuedMessage>}} was
reasonable. Hence, that was implemented. Current branch also has a minor fix
for reconnecting when a connection is rejected due to protocol version mismatch
(discovered via dtest upgrade tests)
> nio MessagingService
> --------------------
>
> Key: CASSANDRA-8457
> URL: https://issues.apache.org/jira/browse/CASSANDRA-8457
> Project: Cassandra
> Issue Type: New Feature
> Reporter: Jonathan Ellis
> Assignee: Jason Brown
> Priority: Minor
> Labels: netty, performance
> Fix For: 4.x
>
> Attachments: 8457-load.tgz
>
>
> Thread-per-peer (actually two each incoming and outbound) is a big
> contributor to context switching, especially for larger clusters. Let's look
> at switching to nio, possibly via Netty.
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