# We halved DNS build delay and cut memory use by 85%

- HackerByte page: <https://hackerbyte.net/en/stories/cloudflare-s-success-in-optimizing-dns-build-times-and-reducing-memory-usage-50337558>
- Original source: <https://blog.cloudflare.com/dns-targeted-zone-builds/>
- Hacker News discussion: <https://news.ycombinator.com/item?id=50337558>
- Submitted to Hacker News: 2026-11-02T14:47:28.000Z

Cloudflare's success in optimizing DNS build times and reducing memory usage.

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