High Performance WordPress

HIGH PERFORMANCE WordPress Iliya Polihronov WordCamp San Francisco 2012Saturday, August 4, 12

Iliya Polihronov Systems Wrangler Automattic polihronov.wordpress.com slideshare.net/vnsavage @vnsavageSaturday, August 4, 12

WordPress.com Numbers ‣ 115 million pageviews per day ‣ 2.6 billion requests per day ‣ over 200 plugins ‣ 500ms per pageSaturday, August 4, 12

Notable UsersSaturday, August 4, 12

Services Installation Nginx wiki.nginx.org/Install PHP-FPM Compile PHP with --enable-fpm For Debian Squeeze $ gpg --keyserver hkp://keys.gnupg.net --recv-keys E9C74FEEA2098A6E $ gpg --keyserver hkp://keys.gnupg.net --recv-keys ABF5BD827BD9BF62 $ gpg -a --export E9C74FEEA2098A6E | apt-key add - $ gpg -a --export ABF5BD827BD9BF62 | apt-key add - $ echo deb http://nginx.org/packages/debian/ squeeze nginx >> /etc/apt/sources.list $ echo deb http://packages.dotdeb.org squeeze-php54 all >> /etc/apt/sources.list $ apt-get update $ apt-get install nginx php5-cli php5-fpm php5-cgi php5-mysql php5-memcacheSaturday, August 4, 12

Services Installation APC php.net/manual/en/apc.installation.php MySQL percona.com/doc/percona-server/5.5/installation.html Memcached memcached.org For Debian Squeeze $ gpg --keyserver hkp://keys.gnupg.net --recv-keys 1C4CBDCDCD2EFD2A $ gpg -a --export CD2EFD2A | apt-key add - $ echo ‘deb http://repo.percona.com/apt squeeze main’ >> /etc/apt/sources.list $ apt-get update $ apt-get install php5-apc memcached percona-server-server-5.5 percona-server-client-5.5Saturday, August 4, 12

Nginx Conﬁguration /etc/nginx/nginx.conf worker_processes 8; worker_connections 2048; keepalive_timeout 30; gzip on; gzip_types text/css text/javascript application/x-javascript application/json text/xml; gzip_min_length 500; gzip_comp_level 5; location ~ .(css|js|jp(e)?g|gif|png|swf|ico)$ { expires 1y; } fastcgi_buffer_size 32k; fastcgi_buffers 256 4k; /etc/init.d/nginx ulimit -n 65536 Full configuration at polihronov.wordpress.comSaturday, August 4, 12

PHP-FPM and APC /etc/php5/fpm/pool.d/www.conf pm = dynamic pm.max_children = 40 pm.start_servers = 5 pm.min_spare_servers = 5 pm.max_spare_servers = 10 listen.backlog = 512 /etc/php5/conf.d/20-apc.ini extension="apc.so" apc.enabled = 1 apc.shm_size = 32M /etc/php5/fpm/php.ini output_buffering = 4096Saturday, August 4, 12

MySQL Conﬁguration /etc/mysql/my.cnf key_buffer = 256M sort_buffer_size = 4M read_buffer_size = 4M innodb_buffer_pool_size = 256M innodb_log_buffer_size = 8M tmp_table_size = 32M max_heap_table_size = 32M table_cache = 128 thread_cache = 64 query_cache_type = 1 query_cache_limit = 1M query_cache_size = 32M InnoDB - for tables with lots of reads and writes mysqlreport - inspect important MySQL status valuesSaturday, August 4, 12

Optimizing your WordPress Install ‣ Keep it up to date ‣ Avoid unnecessary plugins ‣ Avoid slow plugins http://wordpress.org/extend/plugins/p3-proﬁlerSaturday, August 4, 12

Caching Memcached Object Cache http://wordpress.org/extend/plugins/memcached/ WP Super Cache http://wordpress.org/extend/plugins/wp-super-cache/ ‣ Custom permalinks, like /%year/%monthnum%/%postname%/ ‣ Enable all the recommended settingsSaturday, August 4, 12

Benchmarks Virtual machine on a laptop, using Apache Benchmark (ab): Without APC 11.07 REQUESTS/SEC With APC 48.39 REQUESTS/SEC With APC and Caching 16,140.70 REQUESTS/SECSaturday, August 4, 12

At a Larger Scale INTERNET Load Balancers Web Servers Caching Servers Web Servers Memcached Master-Slave MySQLSaturday, August 4, 12

Questions? HIGH PERFORMANCE WordPressSaturday, August 4, 12

Iliya Polihronov Systems Wrangler Automattic polihronov.wordpress.com slideshare.net/vnsavage @vnsavageSaturday, August 4, 12

http://www.shoutmeloud.com	287
http://wpfreesetup.com	147
http://benohead.com	137
http://eventifier.co	75
http://eastbaywp.com	44
http://www.online-marketing-automation.com	29
http://125.234.251.97	23
http://lanyrd.com	11
http://www.swpag.info	7
http://swpag.info	5
http://us-w1.rockmelt.com	2
http://minhtamnw.wordpress.com	2
http://trunk.kovshenin.com	2
http://translate.googleusercontent.com	1
http://twitter.com	1
http://www.eventifier.co	1

High Performance WordPress

by vnsavage on Aug 04, 2012

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