sync && echo 3 > /proc/sys/vm/drop_caches
$sync; echo 3| sudo tee /proc/sys/vm/drop_caches
$sync; echo 3| sudo tee /proc/sys/vm/drop_caches
Clean up
cached memory on linux
$sync
&& echo 3| sudo tee /proc/sys/vm/drop_caches
Clear
Filesystem memory cache
$/sbin/sysctl
–w vm.drop_caches=3
Release
memory used by the Linux kernel on caches
-1 to free
pagecache
-2 to free
dentries and inodes
-3 to free
pagecache,dentries and inodes
$sync; echo
> ;/proc/sys/vm/drop_caches
$sudo sync
&& sudo echo 3 | sudo tee /proc/sys/vm/drop_caches
Clear Cached
memory on Ubuntu/Rhel
OR
# echo 3 > /porc/sys/vm_drop_caches
