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https://issues.apache.org/jira/browse/UIMA-1130?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12618832#action_12618832
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Eddie Epstein commented on UIMA-1130:
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Along with this change, all reply queues for remote delegates will be deployed
on the same broker as the delegate's input queue. Using remote reply queues for
remote delegates will simplify message memory planning for a service, simplify
the documentation and the CDE interface to the deployment descriptor.
> 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
>
> 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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