on 2/2/2011 1:58 PM mcclnx mcc spake the following: > We have DELL R900 server with 128GB RAM (CENTOS 5.5)in it. This server only > have one application running and few people use it. > > Every week I ata least get one or two messages from monitor tool mail to me > say: > > Message=Memory Utilization is 92.02%, crossed warning (80) or critical (90) > threshold. > > 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 ? > > Thanks. Linux has a habit of using memory to store buffers and speed disk re-accesses. As soon as an application needs that memory, it will be flushed if dirty and released. Memory unused is memory not needed.
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