Cloudflare frees up 100TB of RAM by shrinking 1.1.1.1’s DNS cache entries — 250 billion cached DNS entries at any given time means one wasted byte costs 250GB
None of the liberated RAM will be cashed out as smaller memory configurations, though; Cloudflare plans to pour it back into larger DNS caches, which raise hit rates and cut the query traffic it sends upstream to authori…



