On Mon, 15 Jun 2015 18:19:06 -0400, bitwise wrote: > When memory is never cleaned up, can't that make fork() really slow? > Doesn't fork copy all memory of the entire process?
on any decent OS fork(2) does CoW (copy-on-writing), so forking is lightning fast. also, any decent OS knows about "fork-and-replace" pattern, so it throws away old process pages on replacing.
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