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From Andy Li <andr.deve...@gmail.com>
Subject Re: Flow control behavior of fanout exchange
Date Tue, 03 Nov 2009 23:34:38 GMT

Yes, reducing the number of worker threads from #cores + 1 to 4 did switch
the data center machines to behavior (1). Looks like you've diagnosed the

Unfortunately, I couldn't find a copy of your talk at HPC anywhere on the
web. It's listed on their website, but no files posted.


> ok, I think I know what might be going on, I believe it is hardware related
> -- Take a look at the
> presentation I did with Lee Fisher at HPC on Wall Street.
> Anyway, try the following and lets see if we can alter the behaviour. On
> the data centre machines
> run qpidd with --workerthreads 4
> If that alters the results i'll expand my theory and how to resolve the
> hardware side.
> Carl.

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