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How Cloudflare Was Able to Support 55 Million Requests per Second With Only 15 Postgres Clusters

How Cloudflare Was Able to Support 55 Million Requests per Second With Only 15 Postgres Clusters

Cloudflare scaled to 55 million requests per second using only 15 PostgreSQL clusters. They utilized PgBouncer as a connection pooler to limit the number of Postgres connections and avoid performance degradation.


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The FAUN watches over the forest of developers. It roams between Kubernetes clusters, code caves, AI trails, and cloud canopies, gathering the signals that matter and clearing out the noise.
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