On Wednesday 19 Sep 2007 23:51:36 Ajay wrote:
> Hi, I have a RHEL 4 server. It has 12GB RAM, when I issue a free command
> it shows 11GB as used. But I don't think so the proceses are using such a
> huge amount of memory since the sum of memory used by all the processes in
> ps -aux command is not equal to the total used memory shown by free
> comand.The used memory size on that server keeps on increasing. any reason
> why?After it reaches more than 11GB the size of used memory suddenly drops
> and becomes 2 GB.
>
> What is the actuall memory that my server is using at a particular point of
> time?Please suggest. Thanks,Ajay
Check second line of free for used and free columns.
--------------
$ free
total used free shared buffers cached
Mem: 964840 663844 300996 0 76972 329668
-/+ buffers/cache: 257204 707636
Swap: 65528 0 65528
--------------
Here the real used memory is about 257MB.
HTH
Shridhar
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