marcos valentine wrote: > Disk cache is not recommended for databases servers. > > it'll slow down the performance. More ram equals more performance. > > This link help me understand memory usage on linux. > > https://www.linuxatemyram.com/ > > Basically you need yo worry about > > free memory is close to 0 > used memory is close to total Almost 3GB available on a 48GB machine is very close to "free memory is 0" and "used memory is close to total", which is why I´m wondering what I can get away with :) This free memory can go away in less than a second. Maybe it never will, so I figured why not use as much as possible --- just not too much, and this is borderline.