“Developing Fast & Scalable Servers For WordPress” will focus on new technologies that power some of the Internet’s biggest WordPress-driven sites. Everything from alternative web servers to WordPress caching will be covered.

1. Developing Fast & Scalable
Servers For WordPress
WordCamp Chicago
Saturday, July 30, 2011

2. ✤ TJ Stein
✤ (mt) Media Temple
✤ Working with WordPress since 2005
✤ @tj_stein

3. Going fast...
✤ Measuring performance
✤ Servers designed for WordPress
✤ Performance: a sign of quality
✤ Virtual Private Servers
✤ Responsibility vs. exibility

4. Uptime and performance are
often interpreted as signs of quality
to the end-user.

5. Going fast...
✤ Measuring performance
✤ Servers designed for WordPress
✤ Performance: a sign of quality
✤ Virtual Private Servers
✤ Responsibility vs. exibility

9. Nginx

10. “Apache is like Microsoft Word, it has a
million options but you only need six.
Nginx does those six things, and it does ve
of them 50 times faster than Apache.”
– Chris Lea

11. Nginx
✤ As a load balancer...
✤ As a proxy...
✤ As a standalone web server...

12. Nginx Configuration Options
✤ Gzip static assets (jpg, css, javascript)
✤ Add expires headers
✤ Use `try_ les` instead of `if`
✤ Decrease keepalive_timeout
✤ Set worker_processes to # of CPUs

14. PHP-FPM
✤ Process management
✤ Dynamic process spawning
✤ Slow request log
✤ No safe mode
✤ Integrates easily with Nginx

16. PHP-FPM Configuration Options
✤ Choose recent OS (Ubuntu 11.04)
✤ Use Unix sockets, not TCP/IP
✤ Set your timezone
✤ Enable slow request log

17. Opcode Caching with APC
✤ Alternative PHP cache
✤ Cache stored in memory
✤ Easy to install
✤ Other options: eAccelerator & Xcache

18. MySQL Configuration Options
✤ Decouple MySQL & Nginx
✤ Watch slow queries
✤ MySQL Tuner & mysqlreport
✤ Disable InnoDB

22. Varnish
✤ Extremely fast
✤ VCL can be tricky
✤ reads, lots of threads
✤ ESI - Edge Side Includes
✤ php-varnish

25. Network Performance
✤ Protects & accelerates
websites
✤ Stats & reports
✤ Always online
✤ WordPress integration

26. Monitoring
✤ Monit & Munin
✤ Smart alerts
✤ Historical graphs
✤ Band-aid

27. Tips
✤ Use what works best for you
✤ Run your own benchmarks
✤ Contribute to WordPress

28. Q&A
✤ @tj_stein
✤ github.com/bummercloud
✤ tj@mediatemple.net