InterConPHP 2014 - Scaling PHP

Transcript

1. Scaling PHP Lucas Arruda lucas@ciandt.com @lunascarruda Handrus Nogueira handrus@taller.net.br @handrus
2. Lucas Arruda Software Architect @ CI&T Open-Source enthusiast ~10 yrs on the road Based on Campinas-SP Zend Certified Engineer PHP 5.3 Drupaler for 4 yrs Google Cloud Platform Qualified Dev.
3. Handrus Software Architect / Dev @ Taller Open-Source and Agile ~10 yrs on the road Based on Bauru-SP/Florianópolis-SC Drupaler for 3 yrs
4. The Basics
5. Use the latest PHP stable version
6. Use the latest PHP stable version
7. Disable unnecessary PHP extensions and web-server modules • PHP extensions consume memory heap • Some badly written can cause memory leaks • The same applies for web-server modules • Disable if you don’t need them!
8. Fine tune your php.ini! • memory_limit memory_get_usage() / memory_get_peak_usage() • realpath_cache_size realpath_cache_get() • realpath_cache_ttl Max execution per thread - will affect memory usage!
9. mod_php vs. FastCGI vs. PHP-FPM
10. ob_flush() flush() ?
11. PHP ACCELERATORS
12. Alternative PHP Cache (APC) Zend OPcache XCache
13. APC OPcache XCache
15. Zephir
16. Scaling PHP Horizontally
17. Does your app use session data? No: you’re good to go! Yes: then you’ll need to manage this data across multiple servers.
18. Sharing session data Fault tolerant No bottleneck Cheaper buut… it needs architecure changes! Persistent load balancing Sharing session data PHP Session Management Persistent load balacing Single point of failure Bottleneck Expensive
19. Options Shared file-system Database Memcache / Redis session.name session.save_handler session.save_path Sharing session data Handlers files user memcache
20. Avoid database specific queries. Good libraries can help (Doctrine FTW!) If not possible Document like any Technical Debt!
21. And choose well your database!! • MySQL • MariaDB • PerconaDB Version?!
23. How dependent of your actual environment are you? timezone paths connection string limits timeouts Number of tries API Keys
24. Caching Mechanisms
25. APC for caching user data Memcache for key/value storage (URI/HTML?) tmpfs/ramfs for all file-based caching
26. Reverse proxying Nginx Varnish
28. ...
29. Q&A ciandt.com
30. THANKS FOR BEING HERE! Please evaluate this presentation! http://goo.gl/P8ZDfc (3 questions only)
31. @lunascarruda lunascar@gmail.com google.com/+LucasArruda fb.com/lucasnarruda linkedin.com/in/larruda github.com/larruda coderbits.com/larruda @handrus handrus@gmail.com google.com/+HandrusNogueira fb.com/handrus linkedin.com/in/handrus github.com/handrus coderbits.com/handrus