Andy Atkinson personal blog
Avoid UUID Version 4 Primary Keys in Postgres
Introduction Over the last decade, when working on databases with UUID Version 41 as the primary key data type, these databases have usually had bad performance and excessive IO. https://datatracker.ietf.org/doc/html/rfc4122#section-4.4 ↩
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- 377
- HN comments
- 449
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Databases & DataSoftware Engineering2025
On Hacker News
| Submitted | Title on HN | Points | Comments |
|---|---|---|---|
| Dec 15, 2025 | Avoid UUID Version 4 Primary Keys in Postgres by pil0u | 377 | 449 |