On 02/02/11 1:58 PM, mcclnx mcc wrote: > Since server have 128 GB RAM and only 1 application. I really don't belive that. Does there has some way can check memory utilitation ? while your app is running, $ top as everyone has said, remember to add the 'cached' and 'buffered' to the 'free' to find out whats actually potentially available.