[Seaside] Server sizing - 100 concurrent users

[radoslav hodnicak]

On Fri, 1 Jun 2007, Avi Bryant wrote:

> On 6/1/07, Edward Stow <ed.stow at gmail.com> wrote:
>
>> So the limitations are that the server will be linux distribution.  I
>> would like to know if their are any known issues with RedHat / CentOS.
>
> Dabble DB runs on dual xeons running CentOS.
>
>> Memory,  the client specifies that we have capacity for 100 concurrent
>> user sessions.
>> 
>> To handle 100 sessions, I assume that we will need the type of
>> configuration used for
>> DabbleDB - Apache load balancer, multiple images, etc.
>
> Yep, I would split that into 10-20 VMs, which, even with just 2GB of
> RAM in the server, gives you up to 100MB for each of them, which
> should be plenty.

What's the point of having 10-20VMs (not sure whether you mean virtual 
machines as in OS virtualization or squeak's VM) on a single server? I 
would understand having 2-4 (one image per cpu/core).

rado