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How we saved 100 terabytes of memory by optimizing 1.1.1.1’s DNS cache

blog.cloudflare.com · first added by @mikem · 2026-09-11 · 4 upvotes

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─── In 1 list ──────────────────────────────────────────

* Issue #807 by @hnl [favorites]

─── Discussions ────────────────────────────────────────

* Saving 100 terabytes of memory by optimizing 1.1.1.1's DNS cache

925 pts · 286 comments · node

─── From the discussion ────────────────────────────────

* A database without dynamic memory allocation

tigerbeetle.com · node

samboy.github.io · node

* RFC 8767: Serving Stale Data to Improve DNS Resiliency | RFC Editor

rfc-editor.org · node

* Succinct Data Structures: Cramming 80,000 words into a Javascript file

stevehanov.ca · node

* GitHub - pytries/marisa-trie: Static memory-efficient Trie-like structures for Python based on marisa-trie C++ library.

github.com · node

─── Related hn threads ─────────────────────────────────

* Succinct Data Structures: Cramming 80,000 words into a Javascript file

126 pts · 10 comments · node

* A database without dynamic memory allocation

359 pts · 186 comments · node

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