I love how the article essentially says that each situation is different and then says 20% of RAM is a good rule of thumb. In my experience, the most commonly

I love how the article essentially says that each situation is different and then says 20% of RAM is a good rule of thumb. In my experience, the most commonly used swap configuration is minimal, 500M perhaps. And vm.swappiness=1. I'd say it's more rare to find a system that actually needs swap than one that can do without it. I have yet to run into an application that for some reason needed swap around.