Hi Laing, Is there any performance issue? <div>And I believe that it's much more expensive to build cluster across AWS zones. Does it?</div><div>One another question, I'm wondering how to connect to the cluster in your experience? A Load Balancer before cluster or DNS Round Robin or the Java Client Libraries only?</div>
<div class="gmail_extra"><br><br><div class="gmail_quote">2012/12/13 Laing, Michael P. <span dir="ltr"><<a href="mailto:Michael.Laing@nytimes.com" target="_blank">Michael.Laing@nytimes.com</a>></span><br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
Clustering across AWS availability zones works fine in our experience so<br>
far.<br>
<br>
ml<br>
<div><div class="h5"><br>
On 12/13/12 5:48 AM, "Simon MacMullen" <<a href="mailto:simon@rabbitmq.com">simon@rabbitmq.com</a>> wrote:<br>
<br>
>On 13/12/12 10:44, ������ wrote:<br>
>> We are going to build RabbitMQ cluster with HA on AWS VPC. Suppose there<br>
>> are two subnets in the VPC, and they are in different available zones(<br>
>> for more info about AWS available zone, please visit:<br>
>><br>
>><a href="http://docs.amazonwebservices.com/AWSEC2/latest/UserGuide/using-regions-a" target="_blank">http://docs.amazonwebservices.com/AWSEC2/latest/UserGuide/using-regions-a</a><br>
>>vailability-zones.html).<br>
>> Then I launch instances in both subnets:<br>
>> instance X in subnet1(in AWS zone us-east-1a)<br>
>> instance Y in subnet2(in AWS zone us-east-1b)<br>
>><br>
>> So can I create a RabbitMQ cluster with HA consisting of both X and Y?<br>
><br>
>This is a bad idea - RabbitMQ clusters do not tolerate network<br>
>partitions well. Read <a href="http://www.rabbitmq.com/partitions.html" target="_blank">http://www.rabbitmq.com/partitions.html</a> for more<br>
>information.<br>
><br>
>> Another question is about federation plugin. If I build federation links<br>
>> for X and Y symmetrically with max-hop=1, is there any way that whenever<br>
>> a message is consumed from node X then the corresponding one in node Y<br>
>> is dequeued automatically with no client actually consuming it?<br>
><br>
>No, I'm afraid not.<br>
><br>
>Cheers, Simon<br>
><br>
>--<br>
>Simon MacMullen<br>
>RabbitMQ, VMware<br>
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