[CentOS] Limit RAM used by a perl script

From: Sean Carolan <scarolan at gmail.com>
> > First, install the perl module BSD::Resource
> >
> >   yum install perl-BSD-Resource
> >
> > Then use it in your program like:
> >
> >   #!/usr/bin/perl
> >
> >   use BSD::Resource;
> >   setrlimit(RLIMIT_VMEM, 1_000_000, 1_000_000);
> >
> >   # rest of the program that is limited to 1MByte now
> 
> Thanks, Paul.  I knew I'd find an answer if I posted my question here.

While having hard limits makes it safer, wouldn't it be better to control the memory usage of the script instead of setting limits that would trigger an "out of memory"...?

JD