<div dir="ltr"><div><div>I've used OpenSimulator in a variety of virtual machines, from KVM to OpenVZ to VirtualBox to EC2. In general performance is less than when running in bare hardware but everything usually works. I've seen some issues with timer accuracy in some virtual machines in the past and had to compile a custom linux kernel to get around it, but I think recent virtualization technology has probably fixed this. Some technologies like OpenVZ I found very difficult to work with in general and I prefer to stick with the KVM style approach where the host OS kernel is set up to allow a "closer to the metal" virtualization.<br>
<br></div>I think virtual machines are good for lower performance installations where fewer avatars and scripts are expected. and bare metal should be used where higher performance is needed.<br><br></div>Often hosting companies will oversell and you may get a lot less performance than you would expect from their advertised specifications. If performance is poor with one company, try others. The cheapest deal is usually far from the best.<br>
</div><div class="gmail_extra"><br><br><div class="gmail_quote">On Thu, Feb 20, 2014 at 2:48 PM, Justin Clark-Casey <span dir="ltr"><<a href="mailto:jjustincc@googlemail.com" target="_blank">jjustincc@googlemail.com</a>></span> wrote:<br>
<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">I've seen OpenSimulator run under different virtual machines (Xen and EC2). Back a few years ago, there was a very odd issue when using EC2 where the simulator process wouldn't certain start context switching millions of times and freeze out all other processes, though that may have been a mono issue rather than EC2.<br>
<br>
Other than that, it appears to work just fine as long as you give it sufficient CPU resources, as is the case when running on bare metal.<div class="HOEnZb"><div class="h5"><br>
<br>
On 20/02/14 21:19, <a href="mailto:dogwomble@exemail.com.au" target="_blank">dogwomble@exemail.com.au</a> wrote:<br>
<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
Hi all<br>
<br>
I wad wondering if anyone had much experience with running OpenSim under a<br>
virtual machine? I'm interested in finding out what sort of performance<br>
can be expected from running in that sort of environment and how far it<br>
can be pushed without too many issues.<br>
<br>
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</blockquote>
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<br></div></div><span class="HOEnZb"><font color="#888888">
-- <br>
Justin Clark-Casey (justincc)<br>
OSVW Consulting<br>
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