Hey Inada, thanks for the feedback
> Generally speaking, fork is a legacy API. It is too difficult to know which
> library is fork-safe, even for stdlibs.
Yes, this is something that Instagram has to go into great lengths to make sure
that we get the entire execution into a state where it's saf
I've just updated the original Immortal Instances PR with a bunch of tricks
that I used to achieve as much performance parity as possible:
https://github.com/python/cpython/pull/19474 . You can see the details along
with some benchmarks in the PR itself.
This should address a bunch of the origi
