From:	Shawn H Corey	Date:	Mon Feb  8 12:52:37 2010
Subject:	Re: Perl script to monitor memory usage on unix box

Dave Tang wrote:
> Hi everybody,
> 
> I want to write a script that checks memory usage of my RHEL box, and
> ran as a cron job say every 10 minutes.
> 
> I could write the Perl script to run a system command like "ps aux",
> parse that information and kill a job if >90% of the total system memory
> (and I realise most of the times memory is sitting in cached) is being
> used. And I guess if 8 jobs are already using 80%, the job that topples
> the threshold will have to be stopped. But since that isn't a Perl
> question, I won't ask if that is a good implementation.
> 
> Since I didn't want to reinvent the wheel and/or write an inelegant
> script, I wanted to ask if there are CPAN modules, which people have
> used, to help with achieving my task?

I don't know if there's any CPAN modules, but you should use the /proc
directory rather than ps.


-- 
Just my 0.00000002 million dollars worth,
  Shawn

Programming is as much about organization and communication
as it is about coding.

I like Perl; it's the only language where you can bless your
thingy.