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ToyDB: Distributed SQL Database in Rust

github.com Software & code Software projects Software engineering Candidate
Screenshot of github.com captured 2026-07-20
Page preview · captured 2026-07-20

Resurfaced independently across 3 calendar years, with breakout response in 2 of them.

submissions
7
submitters
4
observed span
2020–2025
peak thread · 48 comments
275 pts
latest 20+ return · 2025-05-11
147 pts

Submission timeline

2007–2026

One slot for every year since HN launched. Height is that year's peak points; orange marks a 100+ point or 50+ comment breakout. Select a bar to open its strongest thread.

First comments on top threads

HN comment order

https://github.com/erikgrinaker/toydb/blob/master/docs/refer... This is exactly what I was hoping to find. This is great!

Hi, Erik! Nice to see this on the HN front page. Have you considered using this as a test bed to explore alternative architectures and approaches? The classical Volcano architecture used here has been established for many decades, and it could be fun exercise to see what can be done to improve on it, while remaining true to the original goal of having something that's purely for educational purposes.

The first top-level comment from each of the four biggest threads, in HN’s own order. Excerpts are shortened; open a comment for full context.

Breakout years
2

100+ points or 50+ comments

Total points
437

reference only — not used in Hall rules or ranking

Total comments
62

reference only — not used in Hall rules or ranking

Every submission

DateTitle as submittedByPointsComments
2020-06-23ToyDB: Distributed SQL database in Rust, built from scratch to learnerikgrinaker20
2020-06-24Toydb: A distributed SQL database in Rusteatonphil50
2020-06-26Toydb: Distributed SQL Database in Rustadamnemecek30
2020-06-27ToyDB: Distributed Database in Rustv3gas10
2020-06-28ToyDB: Distributed SQL Database in Rustadamnemecek40
2021-07-18ToyDB: Distributed SQL Database in RustFirst breakout · Best threadadamnemecek27548
2025-05-11ToyDB rewritten: a distributed SQL database in Rust, for educationLatest 20+ point returnerikgrinaker14714