We use servers with swap files. It works fine and does not grind to halt. Right now one server has 10/15 GB RAM utilization and 3.7/3.7GB swap utilization. It's

We use servers with swap files. It works fine and does not grind to halt. Right now one server has 10/15 GB RAM utilization and 3.7/3.7GB swap utilization. It's pretty responsive.