[nmglug] Production server question

[Andres Paglayan]

On Fri, 2009-03-27 at 16:46 -0600, Brendan wrote:

> Andres Paglayan wrote:
> > for this case I am not sure about the usefulness of the Vms,
> > but please correct me,
> > the environment is restricted to a single install of the app,
> > and to a single physical location,
> > there are some other services running on the box for wich VMs are not ideal,
> > (phone on asterisk, and fax on hylafax)
> 
> Er, you're running a fax gateway, asterisk server, mysql db and a rails 
> web app/web server for 100 users all on the same server?  That's some 
> seriously bad mojo for a production environment.  Split that up into 3 
> different machines, quick!  Give the DB a dedicate system, put the 
> telephony on its own system, and finally the web server on a third. 
> Conceptually you could virtualize the web server and db server, but it's 
> probably not worth it until you need hardware redundancy.
> 

well, it's probably true,
but hylafax footprint seems to be very, very, small,
and * only makes automatic phone calls with no transcoding nor bridging
on no more than 4 channels at the same time, 
(both * and HL are "features" of the application)
meaning that any of those two tasks could be performed by an old P IV
with 256 ram,
probably giving the db its own self-tweaked system is a good way to go,
I'll have to learn how to benchmark each the loads independently,

but I believe that what you said is a good thing,
virtualizing the web and db for redundancy, 
and running * and hl on a separated machine,
makes a lot of sense,

what a good layout for the db and we would be?


> -Brendan
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