> Hi there
>
> On our Linux Server (OS RedHat 7.3) memory usage is increasing up to 440MB
> (available RAM capacity 512MB). Usually it should not be any higher than
> 50MB. We checked all running processes and could not find a process using
> extremely much memory. As well a reboot has not helped to bring the memory
> down.
>
> Does anyone know a solution???
there is no solution because there is no problem. the memory is being
used by buffers/cache. Run 'free' and you can see. Linux allocates most
available memory to buffers/cache when it's not in use. when something
needs it, the memory will be re-allocated automatically.
take my redhat system with 1.5GB of ram:
total used free shared buffers cached
Mem: 1547752 816532 731220 0 182092 475048
-/+ buffers/cache: 159392 1388360
Swap: 2040244 0 2040244
note that it is taking ~1.4GB of memory for buffers/cache.
if your system is digging deep into swap then that is a better sign
your running low on memory, otherwise..don't worry.
nate
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