<div dir="ltr">I'm using a short program I wrote that generates exactly one message. I've made sure of that by stopping the consumers and observing only one message getting put in the queue. I also log every message consumed and everyone that is duplicated is identical (including the correlation ids).<div>
<div><br></div><div>If its meaningful at all I'm running RabbitMQ from the RPM on the main site (3.1.0).<br><div class="gmail_extra"><br><br><div class="gmail_quote">On Thu, May 16, 2013 at 2:08 AM, Tim Watson <span dir="ltr"><<a href="mailto:watson.timothy@gmail.com" target="_blank">watson.timothy@gmail.com</a>></span> wrote:<br>
<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div class="im">On 16 May 2013, at 01:17, Billy Hand <<a href="mailto:billythethird@gmail.com">billythethird@gmail.com</a>> wrote:<br>
<br>
> When I put it on my live server (16 cores, mostly idle, fast) a single message gets consumed simultaneously by all the workers (duplicated).<br>
<br>
</div>Are you sure about that? It's not just the same payload being sent repeatedly? What does your consumer code look like and how have you determined that this is taking place? Once a message is acked and delivered, a queue will not send it (i.e., the same message) to any further consumers. Are you checking the correlation-id to confirm the uniqueness of the message?<br>
<br>
Cheers,<br>
Tim<br>
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