Used to customize the Memcached support for your Movable Type installation. If MemcachedServers is configured, this setting will determine which Perl package is used to interact with your Memcached server(s). The default setting is Cache::Memcached.

To specify an alternative driver, place this line in your mt-config.cgi file:

MemcachedDriver Cache::Memcached::Fast

The Perl package identified must be installed on your server.

This directive was introduced in version 4.1.