Memory
Anne Wilson
annew at kde.org
Tue Jun 9 12:18:08 UTC 2009
On Tuesday 09 June 2009 10:52:26 Yoram Halberstam wrote:
> 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...?!
>
Linux handles memory quite differently from windows. It uses what is
available, releasing it as required. It's not unusual to see that you appear
to have high usage. If it's not causing problems, it should be ignored. One
thing worth looking at is to open a konsole and type 'top'. Look at the
header part and you should see something like
Mem: 2072916k total, 1385816k used, 687100k free, 113700k buffers
Swap: 538136k total, 0k used, 538136k free, 772692k cached
This tells you that I have 2GB RAM installed, and despite the fact that I've
not get anything much happening at the moment, a large slice of that is being
used. The important bit, though, is that my swap file is not being used at
all. If your swap is showing that it is mostly used, that's the time when you
need to make decisions - usually to add more RAM.
(By the way, hit 'q' to stop top running.)
> 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?
>
You almost certainly don't need to. Hope that helps
Anne
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