I’m using for most of my servers ServerPilot as the server management tool. With ServerPilot your server will be installed an optimized with Nginx and PHP-FPM. This configuration makes your server very fast.
If you host multiple WordPress websites on your VPS you need to check the RAM memory usage frequently. Even if your WP sites doesn’t have a lot of traffic, they might consume a lot of memory. One of the reason might be the dynamic PHP-FPM configuration, which is very good because each site will respond fast even after some time of inactivity. This happens because there is always at least one active task running inside the applications PHP-FPM pool. If your website becomes more active, it’s possible that a websites pool will activate (and keep) more than one tasks. At this moment your low-traffic website might consume more than 250MB of RAM memory! Continue reading Reduce RAM usage for your WordPress websites