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Upgrading Uber's MySQL Fleet

(www.uber.com)
234 points benocodes | 1 comments | 14 Oct 24 12:08 UTC | HN request time: 0.429s | source
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tiffanyh ◴[14 Oct 24 12:36 UTC] No.41836942[source]▶
Why upgrade to v8.0 (old LTS) and not v8.4 (current LTS)?

Especially given that end-of-support is only 18-months from now (April 2026) … when end-of-support of v5.7 is what drive them to upgrade in the first place.

https://en.m.wikipedia.org/wiki/MySQL

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1. PedroBatista ◴[14 Oct 24 13:15 UTC] No.41837234[source]▶
MySQL 8 and beyond has been riddled with bugs and performance regressions. It was a huge rewrite from 5.7.

8 has nice features and I think they evaluated it as stable enough to upgrade their whole fleet to it. I'm pretty sure from 8 to 8.4 the upgrades will be much simpler.