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Saving another 100TB of RAM with math (and Rust)

Cloudflare's global network is immense but not limitless. As we look for small ways to trim our resource usage, we sometimes get lucky and we can cut significantly more. Here’s how we reduced one of our Pingora-based service's RAM usage with statistics.

How Pingora keeps count

In this blog post, we explain and open source the counting algorithm that powers Pingora. This will be the first of a series of blog posts that share both the Pingora libraries and the ideas behind