WordPress Server Optimizations

Даниел Канчев WordPress Sofia User Group Февруари 2014

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

Даниел Канчев@dvkanchev

По-доволни потребители —>> $$$

По-добри позиции в Google/Yandex

По-ниски разходи за web hosting

Защо трябва да оптимизирате?

Направете план

Web server setup - Apache or nginx

PHP setup - PHP-FPM, FastCGI, APC

MySQL setup

Object caching - Memcached/Redis

Full page (HTTP) caching - Varnish, nginx

Основни моменти в оптимизацията

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

Scanning

Lexing

Parsing

Compilation

Opcode

How PHP Works

Execution

!

Opcode

PHP Opcode Caching

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