OpenStack HorizonでなぜかMemcachedが使われない場合の対処法 ref: http://qiita.com/kentarosasaki/items/d241baa2721170637de2

file0.txt

CACHES = {
    'default': {
         'BACKEND': 'django.core.cache.backends.memcached.MemcachedCache',
         'LOCATION': '127.0.0.1:11211',
    }
}

file1.txt

$ grep SESSION_ENGINE /usr/share/openstack-dashboard/settings.py
SESSION_ENGINE = 'django.contrib.sessions.backends.signed_cookies'

file2.txt

SESSION_ENGINE = 'django.contrib.sessions.backends.cache'
CACHES = {
    'BACKEND': 'django.core.cache.backends.memcached.MemcachedCache'
    'LOCATION': '127.0.0.1:11211',
}

file3.txt

$ telent 127.0.0.1 11211

file4.txt

stats items
STAT items:16:number 3
STAT items:16:age 2994
STAT items:16:evicted 0
STAT items:16:evicted_nonzero 0
STAT items:16:evicted_time 0
STAT items:16:outofmemory 0
STAT items:16:tailrepairs 0
STAT items:16:reclaimed 0
STAT items:16:expired_unfetched 0
STAT items:16:evicted_unfetched 0