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https://issues.apache.org/jira/browse/CASSANDRA-8457?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14249884#comment-14249884
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T Jake Luciani commented on CASSANDRA-8457:
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This test doesn't deal with the signaling cost within the node. We have a
thread blocking on the readExecutors completing. This does tie into
CASSANDRA-5239 but part of the goal here is to push the callbacks to the edge
without relying on explicit block/signalling calls.
> nio MessagingService
> --------------------
>
> Key: CASSANDRA-8457
> URL: https://issues.apache.org/jira/browse/CASSANDRA-8457
> Project: Cassandra
> Issue Type: New Feature
> Components: Core
> Reporter: Jonathan Ellis
> Assignee: Ariel Weisberg
> Labels: performance
> Fix For: 3.0
>
>
> 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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