memcached

# install
apt-get install -y memcached
sed -i 's|-l 127.0.0.1|-l 172.29.13.117|g' /etc/memcached.conf
service memcached restart

# flush cache
telnet mc.example.com 11211
stats
flush_all
quit

# memcached reserved memory
stats
...
STAT limit_maxbytes 314572800