2009/6/9 Yoram Halberstam <yoram.halberstam@xxxxxxxxx>:
> All,
>
> I'm new to linux and I've got a FC10 with no server database or other
> servers (that I can think of) up yet - SAMBA maybe.
>
> Anyway, my memory last night was up to 2GB - I expected a basic system to be
> 500m or less...?!
>
> How can I find out the culprit processes and make my system leaner? Any
> website to tell me what each processes in memory does to check if I need it?
Type the word "free -m" on a command line. It will look like this:
[sam@sam ~]$ free -m
total used free shared buffers cached
Mem: 3844 2309 1534 0 154 1531
-/+ buffers/cache: 623 3221
Swap: 3999 41 3958
The amount you are looking for is the number following "-/+
buffers/cache" - which in my case is 623MB (on a Desktop system)
The reason this number is lower than the actual memory usage is that
154+1531MB of memory is being used for the buffers and cache - which
increase performance. Linux only drops Memory when it needs to,
otherwise it keeps the pages just in case they are needed again.
--
Sam
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