Re: System/memory requirements for Mandrake 9.0
From: joseph philip (joseph_at_nntp.will.suffice)
Date: 03/31/04
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Date: Wed, 31 Mar 2004 09:42:14 -0500
On Thu, 16 Oct 2003 05:25:35 +0100, Andy Baxter wrote:
> On Tue, 14 Oct 2003 12:44:06 -0700, Lloyd Sumpter wrote:
>
>> Hi,
>> I have a copy of Mandrake 9.0 which I have running on two of my
>> computers, and want to install in a third. I need to know what is the
>> ABSULUTE minimum RAM required for installation (it will be a stand-alone
>> server, not even running X, so once it's installed, it will run fine.)
>>
>> The Mandrake website only talks about 9.1, and I suspect the 64MB may
>> be more than actually required.
>>
>> Comments, please?
>>
>> Lloyd Sumpter
>
> Is there any reason you can't just suck it and see?
>
> Like put on a cut-down mandrake, run it without X, and do cat
> /proc/meminfo to see how far it's going into swap under different load
> conditions?
>
> Or if you want a running graphical display of these, you can run xosview
> over the network to your workstation, with only the x libraries installed
> on the GUI-less machine.
>
> For what it's worth, I'm running a text-only pentium 233 with 32M of ram,
> and the memory usage is like this right now. (Not doing much except
> running pppd and sshd).
>
> andy@monkey:~$ cat /proc/meminfo
> total: used: free: shared: buffers: cached:
> Mem: 30420992 29384704 1036288 0 2457600 6336512
> Swap: 116891648 17772544 99119104
> MemTotal: 29708 kB
> MemFree: 1012 kB
> MemShared: 0 kB
> Buffers: 2400 kB
> Cached: 5320 kB
> SwapCached: 868 kB
> Active: 3608 kB
> Inactive: 5128 kB
> HighTotal: 0 kB
> HighFree: 0 kB
> LowTotal: 29708 kB
> LowFree: 1012 kB
> SwapTotal: 114152 kB
> SwapFree: 96796 kB
>
> I.e. effectively around 9M free I think.
>
> Can anyone explain what the 'Buffers' and 'Cached' entries mean?
>
> andy.
foggy memory, so be warned..
buffers : disk I/O buffers. Reads are done from these buffers, and writes
are done to these buffers.
cache: files you've recently accessed are kept in memory. Say you start up
netscape again...
So what's the difference between cache and buffers?
Cache memory is given over to applications when the latter requests
memory. These files are still available on the disk. Buffers are NOT.
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