Re: openMosix vs openSSI
Hi Tim,
thank you very much for the answer! I was googling a bit and found the
link below. He is a openSSI man, but I think that his points are
correct. He done a great summarization job!
http://sourceforge.net/mailarchive/forum.php?thread_id=5860473&forum_id=21441
Cheers
Marcelo
ps: I want jobs running as fast as posible!
On Tue, 2006-02-07 at 09:51 +1100, Tim Connors wrote:
> Marcelo Chiapparini <chiappa@oi.com.br> said on Mon, 06 Feb 2006 11:55:54 -0200:
> > Hi!
> >
> > I would like to know how compares openMosix and openSSI. Apparently both
> > of them do the (more or less) same thing inside a cluster...
>
> I had a very brief play with openmosix, but not openSSI, but my
> understanding is that openmosix will shunt your jobs onto different
> CPUs in the cluster. If they have differing amounts of memory, it'll
> also attempt to pick the machine with the appropriate amount of memory
> -- if your job needs 1GB, and only one machine has 1GB virtual memory,
> then it'll go there. Of course, there are race conditions in that, if
> openmosix is too slow to shunt the job around. One job on one node
> can't see any ram from any other machine.
>
> openssi, AFAIK, just combines all the ram from all the machines into
> one memory image -- single system image. I don't think it can
> schedule jobs onto one node or another and gives you N CPUs, but I can
> be very much wrong on this.
>
> So, do you want much RAM or many CPUs?
>
>
--
Marcelo Chiapparini
chiappa@oi.com.br
Reply to: