Re: Should I use beowulf?

What you want is not really a Beowulf cluster as it is just distributing
services over multiple machines.

Paul Logasa Bogen II, Ph.D.


On Fri, Apr 13, 2012 at 1:18 PM, jason <[email protected]> wrote:

>
> Hello, hope somebody is out there.
>
> I've got an application that ties together several different other
> applications.
>
> It's written in python, managed via apache, queries MySQL, and creates
> text files that are processed by asterisk, which launches a VOIP (SIP)
> session.
>
> It's solid, works well, but when I try to get to the desired volume of
> calls, the CPU Load on my Quad 3.6Ghz server spikes to 22.0, so I'm stuck
> with about half of what I'm trying to get done, with a load of 3 - 5.
>
> The main culprit here is Asterisk, which uses Shared Memory, so I know I
> won't get any benefit for that particular program out of beowulf. The
> python part is extremely lightweight, and aside from the main call-file
> generating daemon, a slew of cgi and helper programs kick in from time to
> time to do database updates.
>
> I know that I'm going to invest in a couple more dual core processors,
> which would bring my total count up to 8 cores, or 24ghz, on the server.
>
> If I were to make this server the beowulf master and plug in my 12 P4 3ghz
> machines into the cluster, do you think it would migrate the other programs
> to the nodes, freeing up the server's processor to focus on the asterisk
> tasks?
>
> Or would I be better served moving the sql, apache, etc to another server,
> performing my db lookups across a dedicated network?
>
> And  a side question that I probably already know the answer to, can I
> have 32bit nodes with a 64bit master?
>
>
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