FOSDEM company blog
PostgreSQL used fsync incorrectly for 20 years (2019) [video]
About a year ago the PostgreSQL community discovered that fsync (on Linux and some BSD systems) may not work the way we always thought it is, with possibly disastrous consequences for data durability/consistency (which is something the PostgreSQL community really values).
- Points
- 152
- HN comments
- 46
- Submissions
- 1
- Cited by
- 4 commenters
Databases & DataSystems & Performance2022
On Hacker News
| Submitted | Title on HN | Points | Comments |
|---|---|---|---|
| Jan 29, 2022 | PostgreSQL used fsync incorrectly for 20 years (2019) [video] by belter | 152 | 46 |
Cited in comments
Linked from 4 Hacker News comments by 4 different people, from Nov 2022 to Dec 2025.
Most recent:
- computerfan494 · Dec 20, 2025
- Thaxll · Dec 8, 2025
- joatmon-snoo · Aug 10, 2024
- 323 · Nov 30, 2022