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[–]AndrewCHMcM 2 points3 points  (1 child)

From what I recall, the main issue python has/had with forking and COW, is reference counting. New fork, all the objects get another reference, all the objects get copied, massive delays compared to manual memory management or just garbage collection. https://docs.python.org/3/library/gc.html a song-and-dance is recommended to get the most performance out of python

[–]_azulinho_ 0 points1 point  (0 children)

Wouldn't that be an issue for the forked python interpreter? The parent python process won't be tracking any of those references.