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RegnisGnawtoday at 6:54 PM2 repliesview on HN

Is there a concise timelime/history of this? I thought jemalloc was 100% open source, why is Meta in control of it?


Replies

masklinntoday at 7:01 PM

Jason Evans (the creator of jemalloc) recounted the entire thing last year: https://jasone.github.io/2025/06/12/jemalloc-postmortem/

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echelontoday at 7:03 PM

If you filter the commits to the past five years, four of the top six committers are Meta employees. The other two might be as well, it just doesn't say that on their Github / personal website.