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https://issues.apache.org/jira/browse/UIMA-1173?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Jerry Cwiklik updated UIMA-1173:
--------------------------------
Attachment: uimaj-as-jms-UIMA-1173-patch.txt
Modified Uima AS client code to queue requests for a CAS. Each thread
requesting a CAS will add its request to a queue. When a CAS becomes available,
the oldest thread is selected from the queue and allowed to use the CAS for
processing.
> BaseUIMAAsynchronousEngine_impl.getCAS() should queue requests
> --------------------------------------------------------------
>
> Key: UIMA-1173
> URL: https://issues.apache.org/jira/browse/UIMA-1173
> Project: UIMA
> Issue Type: Improvement
> Components: Async Scaleout
> Reporter: Eddie Epstein
> Attachments: uimaj-as-jms-UIMA-1173-patch.txt
>
>
> BaseUIMAAsynchronousEngine_impl.getCAS() blocks until a CAS is available.
> If multiple threads are blocked, which one gets the next CAS is
> nondeterministic.
> In order to guarantee quality of service it is important to return CASes in
> the order
> they were requested.
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