ubuntuubuntu-16.04hortonworks-data-platformambari

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

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 Pages (THP) enabled. 
THP should be disabled to avoid potential Hadoop performance issues.

How can I disable THP in Ubuntu 16.04?

Solution

  • Did you try this command:

    sudo su
echo never > /sys/kernel/mm/transparent_hugepage/enabled

    ?

    Alternatively, you may install hugepages

    sudo su
apt-get install hugepages
hugeadm --thp-never

    As mentioned by @Anthony, the effect would not persist after a reboot. Use your distribution-specific method to do that every time after reboot.