[CentOS] What is eating my memory?
Alfred von Campe
alfred at von-campe.com
Thu Aug 30 03:46:37 UTC 2007
> I install centos 5 on a HD while it is in a Compaq with 256Mb
> memory. After install, i am in graphics mode (Gnome) and top
> reports not quite all 256Mb used.
>
> Then I move the HD to a decTOP with 512Mb memory. I am running non-
> graphics (init 3). I ssh into the unit and top reports not quite
> all of that used.....
>
> So what ate up more than 256Mb memory (X is not running)?
>
> Perhaps there is something I did not clean up properly wrt the move.
Have you done any I/O on the system? The memory could be in use by
buffers. Please post the contents of /proc/meminfo. Your real free
memory should be the sum of MemFree + Buffers + Cached.
Alfred
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