命令:sync; echo 3 > /proc/sys/vm/drop_caches
analysis:
Run sync the contents of the hard disk dirty write back
$ sync
By modifying the proc system drop_caches clean up free of Cache
$ echo 3> / proc / SYS / vm / drop_caches
命令:sync; echo 3 > /proc/sys/vm/drop_caches
analysis:
Run sync the contents of the hard disk dirty write back
$ sync
By modifying the proc system drop_caches clean up free of Cache
$ echo 3> / proc / SYS / vm / drop_caches