Because file system swapping can interfere with PingDirectory, disable performance tuning tools like tuned.
- Sign on as the root user.
-
Add the line
vm.swappiness = 0
to the file /etc/sysctl.conf. - Restart the system to apply the change.
- Optional:
If you need to tune performance after disabling file system swapping, do the
following:
- Clone the existing performance profile.
- Run tuned.
-
Add the line
vm.swappiness = 0
to the file /usr/lib/tuned/profile-name/tuned.conf. - To select the updated profile, run tuned-adm profile customized_profile.
- Restart the system to apply the changes.