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From ttmdev <>
Subject Re: High message rate research
Date Mon, 11 Feb 2008 18:15:40 GMT

Hi Sean,

Curious to know the average message size used and whether you used the
default broker configuration?


Sean Bastille-2 wrote:
> I guess my first message was too long, but that's alright, I ended up
> getting the answers I needed.  I figured I should let you guys in on the
> results of my testing.
> The summary of my initial write up is that my main requirement is message
> throughput per host, so that is what my testing has been focused.  The
> bottom line is that I was able to sent 4500 messages/sec between two hosts
> using 3 producer processes and 2 consumer processes each using embedded
> brokers.  That is the highest sustained throughput I was able to achieve,
> and while it was successful, the 2 consumers were consuming ~80% of the
> on the host (2 2.4G Xeons with HT enabled) leaving little available for my
> processing of the messages.  Interestingly enough, the 3 producers were
> consuming ~60% of the CPU on the other host.
> As a sanity check, I compared a standalone broker to embedded brokers in a
> 1:1 configuration.  The standalone maxed out around 1800/sec, and the
> embedded brokers sustained 2500/sec, so this looks like it might be a more
> capable configuration.
> Unfortunately, none of this works for our requirements.  To handle our
> current load on existing hardware we need to support at least 8000/sec,
> and
> to allow for future growth, I'd really want 15-20k.
> -Sean

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