swap清理:
- swapoff -a && swapon -a
cache清理:
- sync; sync; sync; && echo3 >/proc/sys/vm/drop_caches
- sleep 2
- echo 0>/proc/sys/vm/drop_caches
To free pagecache:
- echo 1 >/proc/sys/vm/drop_caches
To free dentries and inodes:
- echo 2 >/proc/sys/vm/drop_caches
To free pagecache,dentries and inodes:
- echo 3 > /proc/sys/vm/drop_caches