Date: Wed, 20 Jul 2005 00:19:51 -0400 (EDT) From: "Mikhail T." <mi@aldan.algebra.com> To: stable@FreeBSD.org, amd64@FreeBSD.org Subject: OS suddenly VERY busy Message-ID: <200507200419.j6K4Jpgd083006@blue.virtual-estates.net>
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Hello!
After a couple of huge tarball extracts (`make extract' in jdk14 and jdk15)
I noticed, things are a little slower. During the extracts, the mouse was
moving with visible jerks. Indeed, the system seems VERY busy:
11 users Load 1.18 1.52 1.40 Jul 20 00:14
Mem:KB REAL VIRTUAL VN PAGER SWAP PAGER
Tot Share Tot Share Free in out in out
Act 1060360 105932 1341624 145252 151016 count
All 1750432 115908 8911872 174532 pages
zfod Interrupts
Proc:r p d s w Csw Trp Sys Int Sof Flt cow 1277 total
4 1146 1819 345 443k 1640 672 266572 wire 4 irq1: atkb
1204008 act 1004 irq0: clk
84.7%Sys 0.0%Intr 15.3%User 0.0%Nice 0.0%Idl 241536 inact irq6: fdc0
| | | | | | | | | | 62232 cache 128 irq8: rtc
==========================================>>>>>> 88784 free irq9: acpi
daefr 113 irq12: psm
Namei Name-cache Dir-cache prcfr irq15: ata
Calls hits % hits % react irq16: ahc
3030 3030 100 pdwak 26 irq17: pcm
pdpgs irq18: fwo
Disks da0 cd0 cd1 pass0 pass1 pass2 intrn irq19: ohc
KB/t 4.00 0.00 0.00 0.00 0.00 0.00 218912 buf irq27: skc
tps 2 0 0 0 0 0 21 dirty 2 irq29: cis
MB/s 0.01 0.00 0.00 0.00 0.00 0.00 100000 desiredvnodes
% busy 0 0 0 0 0 0 92043 numvnodes
The machine is idle and is not doing anything in user-space according to both
top and vmstat's "pigs" display.
Yet it is noticably slower. Trying to compile something pushes the load above
2. What is it doing?
This is a single-CPU Opteron running:
FreeBSD 5.4-STABLE #0: Fri Jun 10 09:11:30 EDT 2005 amd64
The box has 2Gb of RAM, but NO SWAP.
Any ideas? Thanks!
-mi
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