Description of problem: The installer creates a directory /var/run/memcached with memcached:memcached owner:group. The pid file used by default is /var/run/memcached/memcached.pid First you can systemctl start/restart/stop normally, but after reboot the /var/run/memcached owner will be root:root, and you get subdirectory /var/run/memcached/memcached owned by memcached:memcached Fixes the issue if you use /var/run/memcached/memcached/pid as pid file. Working two relevant line in /usr/lib/systemd/system/memcached.service is: PIDFile=/var/run/memcached/memcached/pid ExecStart=/usr/bin/memcached -d -u $USER -P /var/run/memcached/memcached/pid -p $PORT -m $CACHESIZE -c $MAXCONN $OPTIONS
*** This bug has been marked as a duplicate of bug 878198 ***