The simpler answer is to use processes instead of threads. On Linux and other unixy OSes, you can fork multiple processes and most of the memory will be shared by the OS using copy-on-write. Perl threads don't do that, so they use much more memory.

In reply to Re: Isolating dynamically loaded modules with Thread::Isolate. by perrin
in thread Isolating dynamically loaded modules with Thread::Isolate. by gmpassos

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