Hi all:
I have encountered a strange situation which my host went out of countrol
out of peak time.
top -S shows that CPU Sys. is over 90 %, and pagedaemon has very high
loading, then the server died.
Would anyone give me some advices to solve this queer problem?
Thanks and have a nice day,
Weicheng Pan.
===
top -S:
last pid: 38024; load averages: 11.03, 39.34, 25.33
up 1+10:55:52 03:49:51
299 processes: 8 running, 250 sleeping, 41 waiting
CPU states: % user, % nice, % system, % interrupt, %
idle
Mem: 475M Active, 1258M Inact, 220M Wired, 50M Cache, 112M Buf, 3976K Free
Swap: 1024M Total, 1024M Free
PID USERNAME PRI NICE SIZE RES STATE C TIME WCPU CPU
COMMAND
55 root -16 0 0K 8K RUN 0 6:05 104.64% 104.64%
pagedaem
on
44 root -28 -147 0K 8K WAIT 1 4:18 14.94% 14.94% swi5:
cloc
k sio
38019 root 121 0 5852K 3356K RUN 1 0:06 11.34% 10.50% httpd
38023 wcpan 122 0 2676K 1820K CPU1 1 0:03 17.75% 9.38% top
516 root 115 0 3480K 8K select 0 0:11 162.00% 7.91%
sendmail
15131 www 4 10 149M 8K accept 0 2:58 24.75% 4.49% httpd
3 root -8 0 0K 8K - 1 0:35 4.35% 4.35% g_up
37946 wcpan 109 0 6212K 8K select 0 0:07 5.51% 2.49% sshd
systat -vm
1 users Load 35.17 54.01 27.95 Aug 14 03:48
Mem:KB REAL VIRTUAL VN PAGER SWAP PAGER
Tot Share Tot Share Free in out in out
Act 1766616 7460 2712348 14144 57140 count
All 2047068 11416 7289432 19748 pages
Interrupts
Proc:r p d s w Csw Trp Sys Int Sof Flt 87 cow 236 total
3 2226 103 208 285 287 28 200 227316 wire 6:
fdc0
484556 act 128 8: rtc
98.1%Sys 1.9%Intr 0.0%User 0.0%Nice 0.0%Idl 1286108 inact 13:
npx
| | | | | | | | | | 50972 cache 14:
ata
================================================ 6176 free 19:
ata
daefr 4 24:
bge
Namei Name-cache Dir-cache 81 prcfr 4 25:
bge
Calls hits % hits % 16 react 100 0: clk
102 102 100 10 pdwake
26 zfod 4323760 pdpgs
Disks ad8 ad10 8 ofod intrn
KB/t 0.00 0.00 32 %slo-z 114464 buf
tps 0 0 143 tfree 35 dirtybuf
MB/s 0.00 0.00 100000 desiredvnodes
% busy 0 0 90089 numvnodes
48765 freevnodes
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