Sofia WP User Group Presentation

WordPress Server 
 Optimizations Даниел Канчев WordPress Sofia User Group Февруари 2014

Даниел Канчев @dvkanchev Performance Guru @SiteGround Security Freak Server Migrations Specialist VIP Customer Management FOSS Addict Addicted to extreme sports

Защо трябва да оптимизирате? По-доволни потребители —>> $$$ По-добри позиции в Google/Yandex По-ниски разходи за web hosting

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Основни моменти в оптимизацията Web server setup - Apache or nginx PHP setup - PHP-FPM, FastCGI, APC MySQL setup Object caching - Memcached/Redis Full page (HTTP) caching - Varnish, nginx

MySQL Използвайте Percona - http://www.percona.com/ Използвайте tmpfs за MySQL tmpdir - http://goo.gl/ UOTjlW MySQLtuner.pl - http://mysqltuner.pl

PHP PHP handlers - DSO, SuPHP/SuExec, FastCGI/PHP-FPM PHP modules info Opcode caching, object caching - APC, xCache, Memcached, Redis

WordPress Interaction with Your Database First request goes to the database server

Object Caching First request goes to the database server Objects are also stored in Memcached

Object Caching All consecutive requests are forwarded to the Memcached server

How PHP Works Scanning Lexing Parsing Compilation Opcode Execution

PHP Opcode Caching ! Opcode Execution

Reverse Proxy Servers

Reverse Proxy Servers

Reverse Proxy Servers

Reverse Proxy Servers

nginx config which works http://polihronov.wordpress.com/

Varnish config # Never cache administrator if (req.url ~ "wp-(login|admin)" || req.url ~ "preview=true") { return (pass); } if (req.http.Cookie ~ "(^|;s*)(wpSGCacheBypass=1)(;|$)") { return(pass); } if (req.http.Cookie ~ "(^|;s*)wordpress_logged_in_([^;]+)(;|$)") { return(pass); } if (req.http.Cookie ~ "(^|;s*)(woocommerce_items_in_cart=1)(;|$)") { return(pass); } if (req.http.Cookie ~ "comment_author") { return(pass); } ! include "common.vcl"; ! return (lookup);

To CDN or not to CDN ?

Изводи Оптимизацията е процес, а не събитие. Винаги тествайте. Пазете информацията от всички тестове. Информирайте се от големите акули.

Полезни линкове http://highscalability.com/ http://www.mysqlperformanceblog.com/ http://wiki.nginx.org/WordPress http://velocityconf.com/

Bash Мерси! @dvkanchev / daniel.k@siteground.com