[jira] [Closed] (QPID-6741) ThreadPoolExecutors used for virtual host IO / port IO do not scale above minimum pool size

["Keith Wall (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/QPID-6741?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Keith Wall closed QPID-6741.
----------------------------
    Resolution: Won't Fix

> ThreadPoolExecutors used for virtual host IO / port IO do not scale above minimum pool size
> -------------------------------------------------------------------------------------------
>
>                 Key: QPID-6741
>                 URL: https://issues.apache.org/jira/browse/QPID-6741
>             Project: Qpid
>          Issue Type: Bug
>          Components: Java Broker
>    Affects Versions: qpid-java-6.0
>            Reporter: Keith Wall
>             Fix For: qpid-java-6.0
>
>
> NetworkConnectionScheduler uses a {{java.util.concurrent.ThreadPoolExecutor}} to service AMQP IO.  The intention is that the executor will dynamically scale the number of threads in the pool as load increases until a maximum is reached and then at that point requests will be queue.  However, TPE, out of the box, does not offer such behaviour.  When used with a unbounded queue, TPE will *never* increase the threads beyond the core size.



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