肛瘘不手术可以治疗吗:释放linux内存
来源:百度文库 编辑:九乡新闻网 时间:2024/04/25 03:51:11
[root@localhost ~]# free -m
total used free shared buffers cached
Mem: 249 225 24 0 13 173
-/+ buffers/cache: 38 211
Swap: 2000 0 2000
[root@localhost ~]# sync
[root@localhost ~]# cat /proc/sys/vm/drop_caches
0
[root@localhost ~]# echo 3 >/proc/sys/vm/drop_caches #把内存里的数据暂时写到硬盘里
[root@localhost ~]# cat /proc/sys/vm/drop_caches
3
[root@localhost ~]# free -m
total used free shared buffers cached
Mem: 249 56 193 0 1 19
-/+ buffers/cache: 35 214
Swap: 2000 0 2000