Thank you for coming to Vlad’s talk. Notes will be progressively added as time permits.
Query Monitor
Query Monitor is a useful WordPress plugin that lets you view information on database queries that WordPress performs when loading a page on your website.
https://wordpress.org/plugins/query-monitor/
PHP-FPM 5.5 for CentOS
CentOS does not come with PHP 5.5 as standard. It can be obtained from the REMI repository. Instructions can be found here:
http://blog.famillecollet.com/pages/Config-en
Once the repository is added, PHP-FPM 5.5 can be installed using the following command:
yum –enablerepo=remi-php55 install php-fpm
mod_fastcgi module for Apache 2.2
This is used to add fastcgi support to Apache (httpd), to enable it to pass requests to PHP-FPM
This does not come with CentOS 6. It can be obtained from the REPOForge repository:
To add support for this repository, follow the instructions here:
http://repoforge.org/use/
yum –enablerepo=rpmforge install mod_fastcgi
Enabling mod_deflate to compress HTML, text, CSS and JavaScript source files:
Add the following to .htaccess in your WordPress root folder:
# BEGIN compression <IfModule mod_deflate.c> AddOutPutFilterByType DEFLATE text/html text/plain text/xml text/css text/javascript application/x-javascript application/javascript <IfModule mod_setenvif.c> # Netscape 4.x has some problems... BrowserMatch ^Mozilla/4 gzip-only-text/html # Netscape 4.06-4.08 have some more problems BrowserMatch ^Mozilla/4\.0[678] no-gzip # MSIE masquerades as Netscape, but it is fine # BrowserMatch \bMSIE !no-gzip !gzip-only-text/html # NOTE: Due to a bug in mod_setenvif up to Apache 2.0.48 # the above regex won't work. You can use the following # workaround to get the desired effect: BrowserMatch \bMSI[E] !no-gzip !gzip-only-text/html # Don't compress images SetEnvIfNoCase Request_URI .(?:gif|jpe?g|png)$ no-gzip dont-vary </IfModule> <IfModule mod_headers.c> # Make sure proxies don't deliver the wrong content Header append Vary User-Agent env=!dont-vary </IfModule> </IfModule> # END compression
SQL Query to determine the size of your MySQL databases
Useful for working out how big your MySQL key buffer/buffer pool should be
SELECT table_schema "Data Base Name", SUM( data_length + index_length) / 1024 / 1024 "Data Base Size in MB" FROM information_schema.TABLES GROUP BY table_schema ;