Installation
- Install memcached on at least one server. Note the connection info. The default is
127.0.0.1:11211
. - Install the PECL memcache extension
- Copy object-cache.php to wp-content
- Add the
WP_CACHE_KEY_SALT
constant to thewp-config.php
:php
define('WP_CACHE_KEY_SALT', '...long random string...');
This helps prevent cache pollution when multiplte WordPress installs are using the same Memcached server. The value must be unique for each WordPress install.
== Frequently Asked Questions ==
= How can I manually specify the memcached server(s)? =
Add something similar to the following to wp-config.php above `/* That’s all, stop editing! Happy blogging. */`:
`
$memcached_servers = array(
‘default’ => array(
‘10.10.10.20:11211’,
‘10.10.10.30:11211’
)
);
`