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From "Jerry Cwiklik (JIRA)" <uima-...@incubator.apache.org>
Subject [jira] Closed: (UIMA-1433) UIMA AS service creates too many JMS connections
Date Mon, 27 Jul 2009 13:32:14 GMT

     [ https://issues.apache.org/jira/browse/UIMA-1433?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Jerry Cwiklik closed UIMA-1433.
-------------------------------

    Resolution: Fixed

Reduced number of connections to a Broker managing reply queues. 

> UIMA AS service creates too many JMS connections 
> -------------------------------------------------
>
>                 Key: UIMA-1433
>                 URL: https://issues.apache.org/jira/browse/UIMA-1433
>             Project: UIMA
>          Issue Type: Bug
>          Components: Async Scaleout
>            Reporter: Jerry Cwiklik
>            Assignee: Jerry Cwiklik
>
> UIMA AS service maintains connections to client's reply queue. These connections are
cached and reused. When the connection becomes idle for too long, it is closed. Current default
connection timeout is set to 30 minutes. This value can be changed via System property -DSessionTimeoutOverride=n.
> JMS Connections are expensive, and if too many are created the broker may become unstable.
As optimization, the service should create a single JMS connection (per broker) and use it
to create jms sessions and message producers for each client. This change will  reduce number
of threads the broker needs to manage in deployments where clients and services use a single
broker for messaging.  

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