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From "Tong Fin (JIRA)" <uima-...@incubator.apache.org>
Subject [jira] Assigned: (UIMA-1130) Deployment Descriptor should allow setting the number of concurrent listeners for a reply queue
Date Tue, 12 Aug 2008 16:32:44 GMT

     [ https://issues.apache.org/jira/browse/UIMA-1130?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Tong Fin reassigned UIMA-1130:
------------------------------

    Assignee: Marshall Schor

> Deployment Descriptor should allow setting the number of concurrent listeners for a reply
queue
> -----------------------------------------------------------------------------------------------
>
>                 Key: UIMA-1130
>                 URL: https://issues.apache.org/jira/browse/UIMA-1130
>             Project: UIMA
>          Issue Type: Improvement
>          Components: Async Scaleout
>    Affects Versions: 2.2.2
>            Reporter: Adam Lally
>            Assignee: Marshall Schor
>         Attachments: DDE_PATCH_JIRA_1130_A.txt, DDE_PATCH_JIRA_1130_B.txt
>
>
> The Spring XML allows setting a concurrentConsumers property for a reply queue (either
an aggregate's collocated reply queue or a remote reply queue):
>      <property name="concurrentConsumers" value="1"/>
> The deployment descriptor should allow setting this property.  In some deployments where
remote delegates are scaled out many times, the bottleneck can become the aggregate deserializing
CASes from the reply queue.  If the aggregate is running on a multicore machine it helps to
increase the number of threads that can process the reply queue.

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