Hacker News new | ask | show | jobs
by jashmatthews 2654 days ago
> All the experts say "oh, Ruby uses lots of memory for [reason] and it can't really be fixed", so no one even tries

This isn’t true at all. It’s well understood that jemalloc 3.x exhibits lower resident set size because it more readily releases pages.

This idea has been around for at least 3 years: https://bugs.ruby-lang.org/issues/12236