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From "Sylvain Lebresne (JIRA)" <>
Subject [jira] [Commented] (CASSANDRA-8457) nio MessagingService
Date Tue, 22 Aug 2017 08:47:02 GMT


Sylvain Lebresne commented on CASSANDRA-8457:

Yes, I'm +1 on the patch on this specific ticket, and great job on that btw! But I do want
to clarify that imo CASSANDRA-13630 should  kind of be finished as well to call this all to
be complete/committable (I've already mentioned that to Jason offline and we seem on the same
page, just mentioning it for the records).

> nio MessagingService
> --------------------
>                 Key: CASSANDRA-8457
>                 URL:
>             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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