Comment 9 for bug 1413341

The last messages from the hang keystone process is:

2015-01-31 13:21:49.214 12886 DEBUG keystone.common.cache._memcache_pool [-] Memcached pool 60709456, thread 140707178018560: Releasing connection 89609232 _debug_logger /usr/lib/python2.7/dist-packages/keystone/common/cache/_memcache_pool.py:102

There are no further entries from process 12886 and no entries mentioning connection 89609232