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MVCC – the part of PostgreSQL we hate the most (2023)

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366 points virtualwhys | 2 comments | 20 Oct 24 15:30 UTC | HN request time: 0.019s | source
1. thih9 ◴[20 Oct 24 21:16 UTC] No.41898543[source]▶
> Then in the 2010s, it was MongoDB because non-durable writes made it “webscale“.

Off topic, it was marketing all along: https://news.ycombinator.com/item?id=15124306

replies(1): >>41899286 #
2. Hilift ◴[20 Oct 24 23:15 UTC] No.41899286[source]▶
It was designed by former DoubleClick engineers as an afterthought DIY db for another service because no other db met their requirements. Supposedly version 4.2.8 (2020) is fairly solid, i.e. no dirty writes. https://en.wikipedia.org/wiki/MongoDB#Technical_criticisms