sudo sysctl -w vm.drop_caches=3#This command will clear pagecache:/sbin/sysctl vm.drop_caches=1#To clear dentries and inodes you can use:/sbin/sysctl vm.drop_caches=2#To free memory of the all above use a following command:/sbin/sysctl vm.drop_caches=3
或者
sudo sync && echo 3 | sudo tee /PRoc/sys/vm/drop_caches
Check memory usage:[3]
free -m
例子输出
total used free shared buffers cachedMem: 15983 4957 11025 153 44 808-/+ buffers/cache: 4105 11877Swap: 16318 585 15733
