Does that include docker (a VM?) Does that include file system cache? Having a system with lots of RAM, the OS does it's best to use it. Just because you see

Does that include docker (a VM?) Does that include file system cache? Having a system with lots of RAM, the OS does it's best to use it. Just because you see 29GB used doesn't mean you'd see a noticeable performance dip on a 16GB machine. You might, but it really depends what that RAM is being used for.