Thursday, July 12, 2018

Sync sync sync to clear cache RAM in Linux

If you want to clear the RAM in cache, which you can see in free command use the following.

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

After issuing the command wait for 5 to 10 minutes. It will clear.

Free output when cache was full.


In above image we can see almost 112GB is cached.


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