[rabbitmq-discuss] Performance Issue

Pavel Kogan pavel.kogan at cortica.com
Tue Jan 15 21:56:09 GMT 2013

I am playing now with basic.qos setting but I am not seeing 200Hz.
I see 124Hz which is distributed 100 + 24 and not 62 + 62.

Look again:
Channeldeliver / getack10.4.117.105:49571
What is recommended value for prefetch_count for maximal throughput?



On Tue, Jan 15, 2013 at 4:51 PM, Matthias Radestock
<matthias at rabbitmq.com>wrote:

> Pavel,
> On 15/01/13 21:17, Pavel Kogan wrote:
>> It have only one queue and two consumers of same queue. The consumers do
>> nothing - only sleep 1 second in 100 threads generated by pool,
>> as if it was unit working at 100/s rate.
> So that would give you a maximum rate of 200Hz, which is not that far off
> the rate you are seeing in the management UI. The difference will be
> accounted for by network latency, *especially* if you are using basic.qos
> with a low prefetch count.
> Regards,
> Matthias.
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