[jira] [Commented] (ARTEMIS-3131) NettyAcceptors and NettyConnectors aren't sharing EventLoopGroups

["Francesco Nigro (Jira)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/ARTEMIS-3131?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17293815#comment-17293815 ] 

Francesco Nigro commented on ARTEMIS-3131:
------------------------------------------

This could be implemented by sharing the event loop group between acceptors: see https://github.com/apache/activemq-artemis/blob/f9e23def8d34ea2bbba2c0a77087f7c101960017/artemis-server/src/main/java/org/apache/activemq/artemis/core/remoting/impl/netty/NettyAcceptor.java#L404



> NettyAcceptors and NettyConnectors aren't sharing EventLoopGroups
> -----------------------------------------------------------------
>
>                 Key: ARTEMIS-3131
>                 URL: https://issues.apache.org/jira/browse/ARTEMIS-3131
>             Project: ActiveMQ Artemis
>          Issue Type: Improvement
>          Components: Broker
>    Affects Versions: 2.17.0
>            Reporter: Francesco Nigro
>            Assignee: Francesco Nigro
>            Priority: Major
>
> Currently a broker started with N acceptors creates N EventLoopGroups ie N x (3 x cores) different event loops/threads.
> Same is happening with NettyConnectors.
> Ideally both should share any existing EventLoopGroup (using ref counting to shutdown the shared one) to save creating too many threads and waste unnecessary resources.



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