Re: prolonged number crunching

[Jor-el <jorel@trillian.megadodo.umb>]

On Thu, 6 Dec 2001, Alec wrote:

> Hi
> 
> I have a program that produces output to STDOUT and will probably take 
> several days to run. I already figured that it's better to run it using "at" 
> utility and collect the results by email. This way the program will not be 
> bound to any specific terminal and, say crashing X, will not interrupt it. 
> 
> I'm wondering if there's also a way to insure against shutting down of the 
> machine, i.e. enable saving of the session (RAM) at shutdown and restarting 
> from where it stopped when the computer is brought up?
> 
Alec,

	Mainframe programmers are very familiar with this requirement :
long running jobs that span are not very unusual in the mainframe
environment. The solution goes by the generic name of checkpoint-restart.
A quick search on the web for that revealed the following link :

http://www.science.uva.nl/research/scs/Software/ckpt/

	I havent tried the software, so this isnt a recommendation. But it
might be just what you need.

Regards,
Jor-el