Let's Build PlanetScale from Scratch: Infrastructure

Post by menaerus » Thu, Jul 16, 2026, 7:47 PM UTC

xolox wrote: post #20

The conceptual relationship to PlanetScale seems somewhat dubious to me (as mentioned in other comments) but the idea of implementing snapshots and branching below the database server level, in the storage layer using Ceph, is neat and potentially quite elegant! Kudos for that idea :-). I hope implementing it works out to the same elegant API envisioned in the initial concept. I could see this being very useful in a…

Post by maherbeg » Fri, Jul 17, 2026, 3:15 PM UTC

onatm wrote: post #18

maherbeg wrote: post #15

A few of us built nearly the exact same thing for a Hackathon which was fun. This definitely can work. There are a couple of other approaches too that are interesting like - xata - https://xata.io/blog/xatastor-zfs-nvme-of-for-millions-of-postgres-databases - neon - which has a more sophisticated architecture that builds abstractions at the Postgres layer But separating compute and storage sucks and the performance y…

The performance definitely sucks but it's not a really serious project. I wouldn't use something like Homescale for using facing products.