[rabbitmq-discuss] dropped messages

smittycb10 msmith1638 at gmail.com
Fri May 22 16:35:30 BST 2009

Thanks for the reply,
I changed these settings so that now my publish looks like this:
m_RabbitChannel.BasicPublish(QUOTES_EX, QUOTES_EX, m_RabbitProperties,

however I still have the same problem 100,000's messages in and only 1,000's
of messages out.
Do I need to anything to broker? 
Is a message rate of 100,000 per second unreasonable? 
Am I publishing and subscribing in the most efficent manner?

Going to be spending the weekend reading up on AMPQ and Rabbits .NET


Matthias Radestock-2 wrote:
> Mark,
> smittycb10 wrote:
>> I am still having problems, when I run the client program on the server I
>> am
>> getting the same degraded numbers as when run across the network. Some
>> details:
>> I am publishing about 4000 message per second to a direct exchange via
>> the
>> .NET client, however I am only receiving about 10% of these messages on
>> the
>> client subscription side.
>  > [...]
>>  m_RabbitChannel.BasicPublish("quotes", "quotes", true, true,
>> m_RabbitProperties, packet);
> Why are you setting mandatory=true and immediate=true? The latter means 
> the server will return messages unless it can *immediately* send them on 
> to a client, i.e. it will never enqueue the messages.
> Also, don't set mandatory=true unless you have to - it degrades
> performance.
> Regards,
> Matthias.
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