I also wonder about this because the operating system maintains its own cache for frequently accessed files. Or even one could put the file cache on a ramdisk.

I also wonder about this because the operating system maintains its own cache for frequently accessed files. Or even one could put the file cache on a ramdisk. Looks like this has been asked before: http://serverfault.com/questions/624104/rails-filestore-with-linux-disk-caching-or-ramdisk http://serverfault.com/questions/624104/rails-filestore-with...