Tips for keeping Perl memory usage low

Question

What are some good tips for keeping memory usage low in a Perl script? I am interested in learning how to keep my memory footprint as low as possible for systems depending o

Answer 1

If you're really desperate you could try to mount some memory as a filesystem (tmpfs/ramdisk) and read/write/delete files on it. I guess the tmpfs implementation is smart enough to release the memory when you delete a file.

You could also mmap (see File::Map, Sys::Mmap) a huge file on the tmpfs, an idea I got from Cache::FastMmap.

Never tried, but it should work :)