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From Gordon Sim <g...@redhat.com>
Subject Re: Interupting SubscriptionManager::run()
Date Mon, 06 Jul 2009 08:07:41 GMT
RickW wrote:
> Follow up to the thread:
> 
> We now use QPID two ways. (1) Message-driven programs willing to relinquish
> control permanently to QPID call SubscriptionManager::run(). (2) Programs
> that are not totally message-driven (those needing non-message events like
> timers or operator input) use LocalQueues. Their main loop checks for other
> events and then check the LocalQueues for messages.
> 
> We have been unable to make the non-message-driven programs efficient. The
> main loop burns 100% CPU unless we add sleeps, which means we are doing
> nothing when there could be messages to process.
> 
> We really need something like a SubscriptionManager::runTimed(interval)
> call. It would process messages  (or block if none is available) for the
> specified interval and then return. Is there some way to do this?

Seems like a reasonable enhancement request (and alternative request 
would be to allow a single LocalQueue to be used for multiple 
subscriptions). If you want to raise a Jira, we can then figure out the 
best fix.

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