Why Your Python Cache Does the Same Work Twice (P.S: GIL Won’t Save You)

This story was originally published on HackerNoon at: https://hackernoon.com/why-your-python-cache-does-the-same-work-twice-ps-gil-wont-save-you.

Your Python cache can run the same work twice, even with the GIL. See the check-then-act race, the lru_cache gotcha, and how locks fix it.

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This story was written by: @sohelalam79…