[root@localhost ~]# free -h
total used free shared buff/cache available
Mem: 15G 6.8G 6.5G 8.6M 2.1G 8.4G
Swap: 7.7G 0B 7.7G
看起来还有6.5G的富裕呢
[root@localhost ~]# free -h
total used free shared buff/cache available
Mem: 15G 6.8G 6.5G 8.6M 2.1G 8.4G
Swap: 7.7G 0B 7.7G
看起来还有6.5G的富裕呢