我正在使用 Arch Linux，我注意到自从我安装了 memcached 后，系统需要更长的时间才能关闭，我检查并验证了该服务确实是导致该问题的服务，因为它一直试图停止它，直到超时后一分半钟。如果我尝试在系统启动时停止服务，也会发生同样的情况，这会出现在日志中：
jun 11 13:54:27 Gawain systemd[1]: Stopping Memcached Daemon...
jun 11 13:55:57 Gawain systemd[1]: memcached.service: State 'stop-sigterm' timed out. Killing.
jun 11 13:55:57 Gawain systemd[1]: memcached.service: Killing process 5372 (memcached) with signal SIGKILL.
jun 11 13:55:57 Gawain systemd[1]: memcached.service: Killing process 5379 (n/a) with signal SIGKILL.
jun 11 13:55:57 Gawain systemd[1]: memcached.service: Killing process 5380 (memcached) with signal SIGKILL.
jun 11 13:55:57 Gawain systemd[1]: memcached.service: Main process exited, code=killed, status=31/SYS
jun 11 13:55:57 Gawain systemd[1]: memcached.service: Failed with result 'timeout'.
jun 11 13:55:57 Gawain systemd[1]: Stopped Memcached Daemon.