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From Paul Angus <>
Subject RE: Hypervisor host
Date Mon, 26 Dec 2016 19:43:40 GMT
The largest known CloudStack cloud was over 30,000 physical hosts run by Zynga. I know of a
number of currently active CloudStack clouds which number many thousands of physical hosts.
 There is no limit imposed by CloudStack.

Kind regards,

Paul Angus
53 Chandos Place, Covent Garden, London  WC2N 4HSUK

-----Original Message-----
From: Rafael Weingärtner [] 
Sent: 25 December 2016 16:24
Subject: Re: Hypervisor host

I would say that it depends. What do you mean by a maximum number of servers?

Hypervisors such as XenServer, VMware, Hyper-V and others have a limit on how much hosts can
be added to a cluster. Therefore, it does not matter the orchestration system, these limits
are defined by the underlying system (hypervisor). Also, the Apache CloudStack does not have
a limit on clusters

On Sun, Dec 25, 2016 at 10:48 AM, Gokan Atmaca <>

> Hello
> What is the maximum number of servers (hypervisor) to add to CloudStack?
> Thanks.

Rafael Weingärtner
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