One post tagged with "linux"

How to Clear Cache in Linux?​

1. Clear PageCache only.

$ sync; echo 1 > /proc/sys/vm/drop_caches

2. Clear dentries and inodes.

$ sync; echo 2 > /proc/sys/vm/drop_caches

3. Clear pagecache, dentries, and inodes.

$ sync; echo 3 > /proc/sys/vm/drop_caches 

• references:
  • Documentation for /proc/sys/vm/drop_caches