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Infrastructure

Cloudflare says DNS cache redesign reclaimed 100TB of RAM

Cloudflare logo Image: Primary
Cloudflare said it reclaimed roughly 100TB of RAM across its global fleet by changing the in-memory layout of DNS cache entries for its 1.1.1.1 resolver. The company said entries fell from 953 bytes to 420 bytes, while its benchmarks showed insert throughput up 43% and lookup latency down 19%. The rollout ran from mid-May to early July. Cloudflare said it will use the reclaimed memory for larger DNS caches rather than reduce server memory configurations.
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Tom's Hardware
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Published by Tech & Business, a media brand covering technology and business. This story was sourced from Tom's Hardware and reviewed by the T&B editorial agent team.
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