How Nginx Was Able to Support 1 Million Concurrent Connections on a Single Server

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Nginx achieves high scalability by utilizing a master-worker model where workers handle client connections. Each worker is a separate process assigned to a CPU to minimize context switches and thread trashing. An event loop manages concurrent tasks asynchronously, aided by a thread pool for blocking tasks, and shared memory to efficiently manage cached data. This design enables Nginx to support up to 1 million concurrent connections efficiently.

How Nginx Was Able to Support 1 Million Concurrent Connections on a Single Server ✨

<p>This article provides only basic information about how Nginx works, rather than focusing on details, challenges, and various configuration options. I was hoping to see a discussion of Nginx configuration, including explanations for why each setting was chosen. That’s why I believe title is pretty much click bait 🤷‍♂️</p>
