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Version 1.3.13 of nginx is out and with it comes support for Connection: upgrade and Upgrade header, meaning proxying of WebSockets! Many people have been waiting for this and “are websockets in nginx supported?” is one of the most frequent questions in #nginx on freenode. With that out of the way, time to have a look at the nginx WebSocket implementation. The New Nginx Websockets Configuration Di

Nginx is a constantly evolving web server rapidly growing in popularity. In July of 2013 nginx even managed to become the most used web server amongst the top 1000 sites ranked by traffic. It’s safe to say that these days you cannot afford to not know about nginx or how to use it. Unfortunately the nginx documentation is more of an API documentation than it’s an introduction to how nginx actually

The Big Picture So you’ve finally decided to make the switch from Apache to nginx. You most likely did this for performance reasons; perhaps all those blogs have been writing about how fast nginx is. Perhaps your webmaster friends have been raving about how they can now handle a lot more traffic without spending money on hardware. This is usually all true, but why exactly is nginx so much faster t

I have previously talked about some of the most common nginx questions. Not surprisingly, one such question is how to optimize nginx for high performance. This is not surprising as most new nginx users are migrating from Apache and thus are used to having to tune settings and perform voodoo magic to ensure their servers perform well. So how do you tune and optimise nginx? Read on! Well I’ve got so

This is part two in my caching series. Part one covered the concept behind the full page caching as well as potential problems to keep in mind. This part will focus on implementing the concept in actual PHP code. By the end of this you’ll have a working implementation that can cache full pages and invalidate them intelligently when an update happens. Requirements I’ll provide a fully functional fr

Please tell me, were those test run from the same server that nginx was running or was it run from a different pc in a different network? Cause I’ll be happy just getting the stats you got before you switched to using the nginx cache. We also use memcached for our pages and this is the stats I’m getting for a page that’s fully cached, we use apache 2.1 and php 5.1 Stats when I run ab on a differen