2001-11-03 12:35:26

by Andrey Nekrasov

[permalink] [raw]
Subject: 2.4.12 and memory (Swap<->Cached)

Hello.


#cat /proc/meminfo

total: used: free: shared: buffers: cached:
Mem: 2108588032 2105348096 3239936 0 69632 708489216
Swap: 4293378048 156639232 4136738816
MemTotal: 2059168 kB
MemFree: 3164 kB
MemShared: 0 kB
Buffers: 68 kB
Cached: 691876 kB
SwapCached: 8 kB
Active: 490884 kB
Inactive: 201068 kB
HighTotal: 1703872 kB
HighFree: 1152 kB
LowTotal: 355296 kB
LowFree: 2012 kB
SwapTotal: 4192752 kB
SwapFree: 4039784 kB



Why use swap, if "Cached" (it is disk cache?) 691876 kB?

--
bye.
Andrey Nekrasov, SpyLOG.


2001-11-03 15:43:58

by Daniel Egger

[permalink] [raw]
Subject: Re: 2.4.12 and memory (Swap<->Cached)

On 3 Nov, Andrey Nekrasov wrote:

> total: used: free: shared: buffers: cached:
> Mem: 2108588032 2105348096 3239936 0 69632 708489216
> Swap: 4293378048 156639232 4136738816
> MemTotal: 2059168 kB
> MemFree: 3164 kB
> MemShared: 0 kB
> Buffers: 68 kB
> Cached: 691876 kB
> SwapCached: 8 kB
> Active: 490884 kB
> Inactive: 201068 kB
> HighTotal: 1703872 kB
> HighFree: 1152 kB
> LowTotal: 355296 kB
> LowFree: 2012 kB
> SwapTotal: 4192752 kB
> SwapFree: 4039784 kB
> Why use swap, if "Cached" (it is disk cache?) 691876 kB?

I have a different problem with this figures. Shouldn't
Active+Inactive+Cached+Buffers+MemFree == MemTotal?

In fact I was about to also post a cat of meminfo because
I'm having really poor interactive perfomance on my G4-500
with 2.4.14-pre5-ben0 and I think it's memory related. The
problems weren't that bad a few subreleases ago.

total: used: free: shared: buffers: cached:
Mem: 261517312 252518400 8998912 0 1175552 66686976
Swap: 268427264 79831040 188596224
MemTotal: 255388 kB
MemFree: 8788 kB
MemShared: 0 kB
Buffers: 1148 kB
Cached: 49420 kB
SwapCached: 15704 kB
Active: 49748 kB
Inactive: 60160 kB
HighTotal: 0 kB
HighFree: 0 kB
LowTotal: 255388 kB
LowFree: 8788 kB
SwapTotal: 262136 kB
SwapFree: 184176 kB

All the machine is running right now is the GNOME desktop, a mailreader
and a webbrowser as well as 4 terminals.

--
Servus,
Daniel