QuestDB Blog company blog
A 40-line fix eliminated a 400x performance gap
How a 40-line OpenJDK fix swapped slow /proc parsing for a single clock_gettime syscall, closing a 400x thread CPU-time gap hidden for 20 years.
- Points
- 370
- HN comments
- 78
- Submissions
- 1
- Cited by
- 0 commenters
Systems & PerformanceSoftware Engineering2026
On Hacker News
| Submitted | Title on HN | Points | Comments |
|---|---|---|---|
| Jan 13, 2026 | A 40-line fix eliminated a 400x performance gap by bluestreak | 370 | 78 |
