Swapping is fine for workstations and home computers. But high performance machines running in a production environments will absolutely have swap disabled.
The performance difference between RAM and disk is not an acceptable tradeoff. RAM will be tightly provisioned and jobs will be killed rather than letting the machine OOM.
The performance difference between RAM and disk is not an acceptable tradeoff. RAM will be tightly provisioned and jobs will be killed rather than letting the machine OOM.