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From "Jason Brown (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (CASSANDRA-8457) nio MessagingService
Date Tue, 14 Feb 2017 02:13:42 GMT

    [ https://issues.apache.org/jira/browse/CASSANDRA-8457?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15864888#comment-15864888
] 

Jason Brown commented on CASSANDRA-8457:
----------------------------------------

Thanks to [~aweisberg], caught another race condition in {{OutboundMessagingHandler}} and
pushed. Needs to be updated when CASSANDRA-13090 is committed (probably today).

> 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
>
>
> 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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