Nginx

What should I know about it?

Nginx is a very popular web server, used as a simple web server, reverse proxy, caching for both API and content, and also for load balancing. I have been running Nginx machines for about 4 years now and I must admit one of the best web servers/ reverse proxy of all times. I believe some preface will help to understand this. Like many of my blogs reference links and credit, pages are added below

Some time in the early 90s Apache was the most used web server which was supporting many technology stacks. The initial approach on Apache was to keep spawning new worker process to create concurrency while it solved the concurrency problem, it still could not solve the issue of resource management and wastage. Let's take a minute to explain that

Aimed at solving the C10K problem of 10,000 simultaneous connections, Nginx was written with a different architecture in mind — one which is much more suitable for nonlinear scalability in both the number of simultaneous connections and requests per second. nginx is event-based, so it does not follow Apache’s style of spawning new processes or threads for each web page request. The end result is that even as load increases, memory and CPU usage remain manageable. nginx can now deliver tens of thousands of concurrent connections on a server with typical hardware.

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