HP Vertica 7 introduces a new installer that helps you configure your system for the best possible performance. How does it do this? Well, the new installer checks your systems and lists any changes that you need to make for optimum performance. Not only that, it gives you a direct link to the documentation page that will help you change your system appropriately. Once you change your system configuration, you can rerun the install and know that your system is optimized to run HP Vertica 7.
Check out the following video to see a demonstration of how to change typical settings for default installs on RedHat or CentOS systems.