On Sun, 2004-03-07 at 00:28, alikhani wrote: > when I run the command "free" > the system says: > total used free > shared buffers cached > Mem: 511656 505620 6036 0 > 12440 382592 > -/+ buffers/cache: 110588 401068 > swap: 0 0 0 > > now when users want to connect webmail on my server it is very slow and > since you see the memory usage is high and i need to increase the size > of memory .The VM Admini can increase the amount of memory to 1GB in VM > but how can i do this in linux up to 1GB or something else.
Memory is not your problem. The "-/+ buffers/cache" is the thing you want to look at: you're using 110 M, and 400M is being used by linux as cache and buffers. You can safely turn this machine down to, say 150M, and add some swap. This is likely to improve its performance and improve the performance of the other guests as well. Adam
