remove cache fom linux servcer code example
Example 1: linux drop caches
# sync; echo 3 > /proc/sys/vm/drop_cachesExample 2: linux drop caches
# sync; echo 3 > /proc/sys/vm/drop_caches# sync; echo 3 > /proc/sys/vm/drop_caches# sync; echo 3 > /proc/sys/vm/drop_caches