A Small Video Seek Can Be A Big Cache Job
Cloudflare's range-cache redesign cuts the work behind partial downloads. The useful measure is how many origin bytes a small seek makes the system fetch.
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Performance
Python 3.15 Gives Speed More Than One Lever
Python 3.15 ships a faster experimental JIT, explicit lazy imports, default frame pointers, and clearer runtime choices. The upgrade is less one speed boost than a way to choose where Python pays.
Cloudflare Pulls 100TB Out Of The Hash Ring
Cloudflare recovered more than 100TB of RAM by changing a Rust data layout, trimming virtual nodes, and rolling out a smaller cache-routing ring without a global flush.
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