How to disable Transparent Huge Pages (THP) in Ubuntu 16.04LTS

Question

I am setting up an ambari cluster with 3 virtualbox VMs running Ubuntu 16.04LTS. However I get the below warning:

The following hosts have Transparent Huge P         


        

Answer 1

Below 3 commands fix the issue over Ubuntu(14.x/16.x) and also make it persistent on system boots.

1. sudo apt-get install hugepages
2. sudo hugeadm --thp-never
3. sudo /bin/sed -i '$i /usr/bin/hugeadm --thp-never' /etc/rc.local