Cloudflare Blog company blog
We halved DNS build delay and cut memory use by 85%
Zone setting changes used to rebuild entire DNS zones, even ones with tens of millions of records. Here is how we built a planner that picks the smallest safe build, cutting full builds by 40%, peak memory by 85%, and halving build delay.
- Points
- 200
- HN comments
- 80
- Submissions
- 1
- Cited by
- 0 commenters
Networking & InternetSystems & Performance2026
On Hacker News
| Submitted | Title on HN | Points | Comments |
|---|---|---|---|
| Nov 2, 2026 | We halved DNS build delay and cut memory use by 85% by wondersky | 200 | 80 |
