[badgar]

The website we're on is restarted every few days because memory leaks are hard.

[aphexairlines]

It could just be that mzscheme never returns memory to the OS. Perl doesn't.

[badgar]

Not returning memory is different from a memory leak. Not returning memory means the memory footprint equals peak memory footprint. A memory leak is a bug in the program which causes space complexity in memory to grow unbounded. mzscheme certainly doesn't leak memory. HN leaks memory.