incredible system load
hi,all:
i have a FTP
server which runs vsftpd.
normally the system load
average is 0.5.
but i found it be incredible
high today.
here comes the 'top'
information:
===========================================================================
top - 10:06:34 up 1 day, 19:15, 2 users, load
average: 31.24, 30.43, 23.65
Tasks: 236 total, 1 running, 235
sleeping, 0 stopped, 0 zombie
Cpu0 : 0.0%
us, 1.0% sy, 0.0% ni, 0.0% id, 94.1% wa, 2.0% hi,
2.9% si
Cpu1 : 0.0% us, 0.0% sy, 0.0% ni, 100.0%
id, 0.0% wa, 0.0% hi, 0.0% si
Cpu2 : 0.0%
us, 2.0% sy, 0.0% ni, 0.0% id, 96.0% wa, 1.0% hi,
1.0% si
Cpu3 : 0.0% us, 0.0% sy, 0.0% ni, 31.7% id,
68.3% wa, 0.0% hi, 0.0% si
Mem: 2075456k total,
2068932k used, 6524k free, 7448k
buffers
Swap: 1951888k total,
0k used, 1951888k free, 1962784k cached
PID USER PR
NI VIRT RES SHR S %CPU %MEM TIME+
COMMAND
3311 root 16 0 2204
1172 844 R 2.0 0.1 0:00.11
top
152 root 15
0 0 0 0 S
1.0 0.0 12:24.65
kswapd0
1780 ftp 15 0
3204 1224 960 D 1.0 0.1 0:00.27
vsftpd
2570 ftp 15 0
3204 1188 936 D 1.0 0.1 0:00.17
vsftpd
1 root 16
0 1504 512 452 S 0.0 0.0 0:00.46
init
2 root RT
0 0 0 0 S
0.0 0.0 0:02.02
migration/0
3 root 34
19 0 0 0 S
0.0 0.0 0:00.52
ksoftirqd/0
4 root RT
0 0 0 0 S
0.0 0.0 0:00.79
migration/1
5 root 34
19 0 0 0 S
0.0 0.0 0:00.17
ksoftirqd/1
6 root RT
0 0 0 0 S
0.0 0.0 0:00.01
migration/2
7 root 34
19 0 0 0 S
0.0 0.0 0:00.55
ksoftirqd/2
8 root RT
0 0 0 0 S
0.0 0.0 0:00.00
migration/3
9 root 34
19 0 0 0 S
0.0 0.0 0:00.19
ksoftirqd/3
10 root 5
-10 0 0 0 S
0.0 0.0 0:00.01
events/0
11 root 5
-10 0 0 0 S
0.0 0.0 0:00.01
events/1
12 root 5
-10 0 0 0 S
0.0 0.0 0:00.00
events/2
13 root 5
-10 0 0 0 S
0.0 0.0 0:00.00
events/3
14 root 5
-10 0 0 0 S
0.0 0.0 0:00.01
khelper
29 root 5
-10 0 0 0 S
0.0 0.0 0:21.15
kblockd/0
30 root 5
-10 0 0 0 S
0.0 0.0 0:02.01
kblockd/1
31 root 5
-10 0 0 0 S
0.0 0.0 0:23.72
kblockd/2
32 root 5
-10 0 0 0 S
0.0 0.0 0:01.70
kblockd/3
44 root 15
0 0 0 0 S
0.0 0.0 0:00.12
khubd
153 root 7
-10 0 0 0 S
0.0 0.0 0:00.00
aio/0
154 root 6
-10 0 0 0 S
0.0 0.0 0:00.00
aio/1
155 root 5
-10 0 0 0 S
0.0 0.0 0:00.00
aio/2
156 root 5
-10 0 0 0 S
0.0 0.0 0:00.00
aio/3
... ...
=======================================================================
this is a DELL PE2800 server
with 2 Xeon 2.8 CPUs.
kernel is
2.6.10
what's the
problem?
any suggest is
regarded
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