Looking for a Perl module to store a Hash structure in shared RAM

Question

I\'d like to store a data structure persistently in RAM and have it accessible from pre-forked web server processes in Perl.

Ideally I would like it to behave like memc

Answer 1

Use Cache::FastMmap and all you need is a file. It uses mmap to provide a shared in-memory cache for IPC, which means it is quite fast. See the documentation for possible issues and caveats.