자주 사용하는 Linux 명령어 모음

- Linux Openfile 개수 

# cat /proc/sys/fs/file-nr

 

- drop_caches

pagecache cache clear

# echo 1 > /proc/sys/vm/drop_caches

dentries, inodes cache clear

# echo 2 > /proc/sys/vm/drop_caches

pagecache, dentries, inodes cache clear

# echo 3 > /proc/sys/vm/drop_caches