In Perl, how can I release memory to the operating system?

Question

I am having some problems with memory in Perl. When I fill up a big hash, I can not get the memory to be released back to the OS. When I do the same with a scalar and use

Answer 1

Why do you want Perl to release the memory to the OS? You could just use a larger swap.

If you really must, do your work in a forked process, then exit.