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<p class=MsoNormal>Hello,<o:p></o:p></p>
<p class=MsoNormal><o:p> </o:p></p>
<p class=MsoNormal><span lang=EN-US>I am currently struggling with the
following use case:<o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-US>- I am using a publish/subscribe model<o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-US>- I’ve got many subscribers and I
only want one of them to process a publisher’s message<o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-US>- requests can be of many types (say A to Z),
and each consumer knows how to deal with only a subset of them<o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p>
<p class=MsoNormal><span lang=EN-US>For example :<o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-US>- consumer 1 can process requests A to M<o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-US>- consumer 2 can process requests N to Z<o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-US>- consumer 3 can process requests F to Q<o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p>
<p class=MsoNormal><span lang=EN-US>There is actually far more types than that
(say a thousand). For now, the only solution I see would be to create as many
queues as requests types (queueA, queueB, etc), and make consumer listen to the
appropriate queues.<o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p>
<p class=MsoNormal><span lang=EN-US>Thing is: <o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-US>- this implies that consumers create as
many threads as queues there are listening from (more than a hundred in my
case), which I would like to avoid.<o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-US>- or I could make a single thread of a consumer
randomly and sequentially dequeue messages from all queues assigned to it?<o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p>
<p class=MsoNormal><span lang=EN-US>Is there a better way to handle this?<o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-US><br>
Thanks in advance<o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p>
<p class=MsoNormal><span lang=EN-US>Pierre-Marie<o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p>
<p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p>
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