memcached 启动失败。

[weixin_38085383]

[root@controller ~]# systemctl status memcached.service ● memcached.service - Memcached    Loaded: loaded (/usr/lib/systemd/system/memcached.service; enabled; vendor preset: disabled)    Active: failed (Result: exit-code) since 二 2016-02-23 11:15:01 CST; 59s ago   Process: 978 ExecStart=/usr/bin/memcached -u $USER -p $PORT -m $CACHESIZE -c $MAXCONN $OPTIONS (code=exited, status=204/MEMORY)  Main PID: 978 (code=exited, status=204/MEMORY) 2月 23 11:15:01 controller systemd[1]: Started Memcached. 2月 23 11:15:01 controller systemd[1]: Starting Memcached... 2月 23 11:15:01 controller systemd[978]: Failed at step MEMORY spawning /usr/bin/memcached: Cannot allocate memory 2月 23 11:15:01 controller systemd[1]: memcached.service: main process exited, code=exited, status=204/MEMORY 2月 23 11:15:01 controller systemd[1]: Unit memcached.service entered failed state. 2月 23 11:15:01 controller systemd[1]: memcached.service failed.