<div dir="ltr">Experiences vary - we cluster across AWS zones in multiple regions and have not had a partition in production in over a year.<div><br></div><div>I have experimented with this and the basic rules are: always be sure you have available compute capacity by over-provisioning your clustered instances relative to their load; never go into IO wait state (avoid intense disk usage brought on by swapping or needless message persistence).</div>
<div><br></div><div>Also, avoid the us-east-1 region as it has the most usage, oldest hardware, highest latencies, and highest incidence of failures.</div><div><br></div><div>ml</div></div><div class="gmail_extra"><br><br>
<div class="gmail_quote">On Thu, May 29, 2014 at 10:24 PM, Fei Yao <span dir="ltr"><<a href="mailto:mail2fei@gmail.com" target="_blank">mail2fei@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 dir="ltr">Richard,<br>I'm not an expert on GCE. But if there are in the same zone it will not be considered WAN. We had some experience in AWS, if it's Multi-AZ it will be considered WAN, and we've experience 3 network partitions last year.<br>
<br>Best Regards<div><div class="h5"><br><br>On Tuesday, May 6, 2014 9:46:39 AM UTC-4, Richard Tier wrote:<blockquote class="gmail_quote" style="margin:0;margin-left:0.8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr">
<div>The <a href="https://www.rabbitmq.com/clustering.html" target="_blank">docs</a> on clustering state that "clustering does not tolerate network partitions well", and states to avoid clustering on WAN.</div><div>
<br></div><div>I'm using Google Cloud EngineĀ <span style="font-size:13px">instancesĀ </span><span style="font-size:13px">- all of which are in the same zone.</span></div><div><span style="font-size:13px"><br></span></div>
<div>Should this setup be considered a WAN?</div></div></blockquote></div></div></div><br>_______________________________________________<br>
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