Hi Fedorans,
My workstation has been paging a lot lately. It's a fairly high-end
system, Intel Core 2 Duo E8400 @ 3.6 GHz (overclocked, originally it was
3.0 GHz) and 2x2GB Corsair RAMs.
lshw output:
*-memory
description: System Memory
physical id: 19
slot: System board or motherboard
size: 4GiB
*-bank:0
description: DIMM 800 MHz (1.2 ns)
physical id: 0
slot: A0
size: 2GiB
width: 64 bits
clock: 800MHz (1.2ns)
*-bank:2
description: DIMM 800 MHz (1.2 ns)
physical id: 2
slot: A2
size: 2GiB
width: 64 bits
clock: 800MHz (1.2ns)
and my swap is 6 Gigs.
$ free -m
total used free shared buffers cached
Mem: 3961 3772 188 0 328 1129
-/+ buffers/cache: 2315 1645
Swap: 6143 153 5990
I used to be able to have uptimes of the order of a month without ever
using a single Kb of my swap. But lately I start paging from a few Mb to
several hundred Mb after about half a week. Whenever this happens, I
find multitasking becomes impossible, e.g. opening a pdf interferes with
music or video playback.
I noticed a weak pattern, usually when I find my workstation is paging I
have a few pdfs open. Lately I have been working with a lot of pdfs and
most of these pdfs are about thousand page long documents (but only ~
20-30 Mb in file size). I keep these open for reference as I work on my
thesis. However closing evince doesn't help reduce the swap usage (at
least not within the next 15-20 minutes).
Apart from these symptoms I also find my system has become generally
slow. Even opening the terminal or thunar (the XFCE file browser) takes
a few seconds. I am on 2.6.34.8-68.fc13.x86_64. Does any one have any
culprits in mind?
--
Suvayu
Open source is the future. It sets us free.
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