✲ All settings but servers are only available with memcached php extension, for more information on these settings and which version of php-memcached they are available in, see: http://php.net/Memcached
✸ If you are on eZ Publish 5.1, make sure to update Stash and StashBundle to get access to these settings.
When using Memcache cache backend, it's recommended to also use
Example with Memcache
stash: caches: default: # For eZ Publish Platform versions prior to 5.4/2014.07, use "handlers" instead of "drivers"! drivers: [ Memcache ] inMemory: true registerDoctrineAdapter: false Memcache: prefix_key: ezdemo_ retry_timeout: 1 servers: - server: 127.0.0.1 port: 11211