How to setup Memcached with failover support in Heroku/PHP 5.6 environment?
Since the bounty expired and the question will get closed soon, I'm gonna go ahead with @jdotjdot's suggestion and switch from Memcachier to MemcachedCloud addon.
Since the bounty expired and the question will get closed soon, I'm gonna go ahead with @jdotjdot's suggestion and switch from Memcachier to MemcachedCloud addon.