# PostgreSQL's Impressive Scalability

> This article describes how Cloudflare scaled to support 55 million requests per second using 15 PostgreSQL clusters, and PostgreSQL's scalability performance.

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LLMS index: [llms.txt](/llms.txt)

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[![featured](/img/hero/pg/pg-scalability.jpg)](https://vonng.com/en/pg/pg-scalability/)

This article describes how Cloudflare scaled to support 55 million requests per second using 15 PostgreSQL clusters, and PostgreSQL's scalability performance. [**Read more**](https://vonng.com/en/pg/pg-scalability/)