A very good article about memory pool allocator and their most typical implementations. I found myself very interested in the way nginx uses it during my personal developments on nginx modules development. This article goes rather deep in the topic. Pool allocators

  During applications back-end systems maintenance operations, we usually present the so called sorry page to end users. This is a nice way to inform that something is going on, in particular on small systems not having a multi node configuration setup. Typical pages are the one saying “I am sorry, the system is under […]

Many people get confused about user ownership of the nginx processes. Most people believe that Nginx runs as Root (oh my god) and some others believe that Nginx runs entirely as nobody user. Now, let’s do a distinction between the master and the workers processes. Master process The master process runs with the user used […]

Introduction This article provides information about the  number of workers a typical nginx system administrator should setup. As per any web server, the tuning of the worker processes is a sort of voodoo art.Ask hundreds system administrators and you will get probably hundreds of different opinions. Before we go deep in the topic, let’s understand […]