> ... >>> Then why not have a really big swap file? If swap is useful as a >>> second layer of caching behind RAM, why doesn't everyone with some >>> extra hard drive space have a 100GB swap file? >> >> I have 12GB of RAM and 12GB of swap on my main PC. Why? Because... why >> not? :) After 5 days uptime, it actually has 89M of swap used for some >> reason. It has over 10GB cached. All of my sysctl vm.* settings have >> been left to the defaults. So I guess it just pushed some unused stuff >> out to swap to make room for more caching.
Uh oh. Did I misunderstand you Paul? Do you have 10GB cached in swap or RAM? - Grant > That's what I'm curious about. If some swap is good, why isn't more > better? Paul has demonstrated that a Linux system will put at least > 10GB to use and probably much more given the opportunity. Disk space > is so cheap, why isn't everyone running a 10GB or 100GB swap since > Linux will actually put it to use? > > - Grant

