Load Averages
Grant Peel
gpeel at thenetnow.com
Sat Mar 15 14:22:13 UTC 2008
Hi all,
I have a machine that has be up now for a little over two years:
voyager ROOT /var/log > w
10:15AM up 741 days, 2:42, 1 user, load averages: 1.06, 1.02, 1.00
USER TTY FROM LOGIN@ IDLE WHAT
**** p0 ************ 10:08AM - w
and as you can see from the 'w' output above, the load average is running
about 1.00 for all three timeframes.
This machine is a nameserver only and has only a few processes running on
it. I have tried shutting down all but the very necessary of processes and
the 1-5-15 minute averages stay the same. This has only started over the
past week. At the start of last week, my mrtg graphs showed it spiked at
1.00 for about an hour, then subsided. It did the same a few days later, and
today, has been at 1.00 since about midnight.
This machine is a Dell PE 500SC (Vintage about 2002), and is running FreeBSD
4.4.
Questions:
Is there another way (other than top or ps) that will show what is causing
the spike? ps and top are showing nothing.
Should I be worried?
COuld this be an indication of a hardware problem?
Here is the top output:
last pid: 5181; load averages: 1.00, 1.00, 1.00
up 741+02:47:14 10:19:56
23 processes: 1 running, 22 sleeping
CPU states: 0.4% user, 0.0% nice, 0.4% system, 0.0% interrupt, 99.2%
idle
Mem: 34M Active, 102M Inact, 44M Wired, 9924K Cache, 35M Buf, 58M Free
Swap: 516M Total, 1416K Used, 514M Free
PID USERNAME PRI NICE SIZE RES STATE TIME WCPU CPU COMMAND
5181 root 28 0 1888K 1004K RUN 0:00 1.35% 0.24% top
4988 root 2 0 12084K 11540K select 0:36 0.10% 0.10% named
182 root 10 0 208K 0K nfsidl 6:05 0.00% 0.00% nfsiod
92063 root 10 0 968K 628K nanslp 4:12 0.00% 0.00% cron
172 root 2 0 940K 428K select 2:52 0.00% 0.00% syslogd
183 root 10 0 208K 0K nfsidl 2:36 0.00% 0.00% nfsiod
184 root 10 0 208K 0K nfsidl 1:57 0.00% 0.00% nfsiod
211 root 2 0 904K 352K select 1:49 0.00% 0.00% usbd
185 root 10 0 208K 0K nfsidl 0:28 0.00% 0.00% nfsiod
38935 root 2 0 2100K 784K select 0:11 0.00% 0.00% sshd
5102 root 2 0 2144K 1332K select 0:00 0.00% 0.00% sshd
4984 root 2 0 6760K 6052K select 0:00 0.00% 0.00% perl
5107 root 18 0 1296K 816K pause 0:00 0.00% 0.00% csh
5103 gpeel 18 0 1292K 820K pause 0:00 0.00% 0.00% tcsh
291 root 3 0 944K 288K ttyin 0:00 0.00% 0.00% getty
292 root 3 0 944K 288K ttyin 0:00 0.00% 0.00% getty
295 root 3 0 944K 288K ttyin 0:00 0.00% 0.00% getty
293 root 3 0 944K 288K ttyin 0:00 0.00% 0.00% getty
315 root 3 0 944K 288K ttyin 0:00 0.00% 0.00% getty
290 root 3 0 944K 288K ttyin 0:00 0.00% 0.00% getty
294 root 3 0 944K 288K ttyin 0:00 0.00% 0.00% getty
289 root 3 0 944K 288K ttyin 0:00 0.00% 0.00% getty
28 root 18 0 208K 0K pause 0:00 0.00% 0.00% adjkerntz
and here is ps:
voyager ROOT /var/log > ps -ax
PID TT STAT TIME COMMAND
0 ?? DLs 0:40.00 (swapper)
1 ?? ILs 0:00.85 /sbin/init --
2 ?? DL 1:55.25 (pagedaemon)
3 ?? DL 0:00.00 (vmdaemon)
4 ?? DL 9:38.95 (bufdaemon)
5 ?? DL 1151:29.78 (syncer)
28 ?? Is 0:00.00 adjkerntz -i
172 ?? Ss 2:52.26 /usr/sbin/syslogd -s
182 ?? I 6:05.35 nfsiod -n 4
183 ?? I 2:35.51 nfsiod -n 4
184 ?? I 1:56.52 nfsiod -n 4
185 ?? I 0:27.87 nfsiod -n 4
211 ?? Is 1:49.09 /usr/sbin/usbd
4984 ?? Ss 0:00.09 /usr/bin/perl /usr/local/webmin-1.320/miniserv.pl
/etc/webmin/miniserv.co
4988 ?? Ss 0:35.94 named
5102 ?? S 0:00.31 sshd: ******* (sshd)
38935 ?? Is 0:11.12 /usr/sbin/sshd
92063 ?? Is 4:11.62 cron
5103 p0 Is 0:00.02 -tcsh (tcsh)
5107 p0 S 0:00.05 _su (csh)
5195 p0 R+ 0:00.00 ps -ax
315 v0 Is+ 0:00.00 /usr/libexec/getty Pc ttyv0
289 v1 Is+ 0:00.00 /usr/libexec/getty Pc ttyv1
290 v2 Is+ 0:00.00 /usr/libexec/getty Pc ttyv2
291 v3 Is+ 0:00.00 /usr/libexec/getty Pc ttyv3
292 v4 Is+ 0:00.00 /usr/libexec/getty Pc ttyv4
293 v5 Is+ 0:00.00 /usr/libexec/getty Pc ttyv5
294 v6 Is+ 0:00.00 /usr/libexec/getty Pc ttyv6
295 v7 Is+ 0:00.00 /usr/libexec/getty Pc ttyv7
TIA,
-Grant
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