High system in %system load .

Igor Lyapin igor.lyapin at gmail.com
Tue Nov 18 09:04:42 PST 2008


I already sent # top head in my first mail
that's all non idle top process

last pid: 56920;  load averages:  2.90,  2.25,  1.72                 up
0+22:10:12  20:04:05
210 processes: 2 running, 207 sleeping, 1 zombie
CPU states:  8.3% user,  0.0% nice, 32.5% system,  0.3% interrupt, 58.9%
idle
Mem: 1268M Active, 1904M Inact, 479M Wired, 154M Cache, 214M Buf, 125M Free
Swap: 8192M Total, 8192M Free

  PID USERNAME       THR PRI NICE   SIZE    RES STATE  C   TIME   WCPU
COMMAND
55546 www              1  -4    0   198M 24912K ufs    1   0:25 29.39% httpd
55986 www              1  -4    0   198M 23228K ufs    2   0:08 21.39% httpd
56030 www              1  -4    0   199M 23400K ufs    1   0:05 11.23% httpd
56033 www              1  96    0   198M 23760K select 0   0:31  5.86% httpd
55134 www              1  -4    0   199M 29864K ufs    1   0:19  5.37% httpd
  711 mysql           26  96    0  1545M   641M ucond  1 165:53  5.08%
mysqld
56001 www              1   4    0   198M 24060K accept 0   0:31  3.76% httpd
55928 www              1  96    0   198M 24184K select 0   0:31  2.29% httpd
56070 www              1  -4    0   199M 25620K ufs    2   0:02  2.20% httpd
56020 www              1  -4    0   198M 20684K ufs    1   0:22  2.15% httpd
55970 www              1  97    0   198M 23996K select 0   0:01  1.51% httpd
55898 www              1  96    0   199M 25724K select 0   0:02  1.46% httpd
56009 www              1   4    0   199M 26564K accept 1   0:03  1.32% httpd
56058 www              1  96    0   199M 25040K select 2   0:01  1.27% httpd
56914 www              1  96    0   198M 20720K select 0   0:00  1.24% httpd
56912 www              1  96    0   198M 20688K select 0   0:00  1.15% httpd
56149 www              1  96    0   199M 25204K select 0   0:01  1.12% httpd
56918 www              1  96    0   198M 20692K select 0   0:00  1.12% httpd
55901 www              1   4    0   199M 25176K accept 0   0:02  1.07% httpd
56018 www              1   4    0   199M 25680K accept 3   0:02  0.93% httpd
56073 www              1   4    0   199M 24960K accept 1   0:02  0.93% httpd
56880 www              1   4    0   198M 20720K accept 2   0:00  0.89% httpd
56671 www              1   4    0   198M 20708K accept 0   0:01  0.79% httpd
55979 www              1   4    0   199M 24176K accept 2   0:03  0.78% httpd
55843 www              1  96    0   199M 27756K select 2   0:01  0.78% httpd
55779 www              1  96    0   199M 27420K select 0   0:03  0.73% httpd
56881 www              1   4    0   198M 22300K accept 0   0:01  0.69% httpd
55933 www              1   4    0   199M 24952K accept 0   0:02  0.68% httpd
55926 www              1  96    0   199M 26324K select 1   0:02  0.68% httpd
55969 www              1   4    0   199M 25128K accept 0   0:02  0.68% httpd
56892 www              1  96    0   199M 24084K select 3   0:01  0.67% httpd
56907 www              1  96    0   198M 20692K select 3   0:00  0.65% httpd
56874 www              1  96    0   199M 23300K select 1   0:01  0.64% httpd
56125 www              1  96    0   199M 24004K select 0   0:02  0.63% httpd

On Tue, Nov 18, 2008 at 6:30 PM, Ivan Voras <ivoras at freebsd.org> wrote:

> Igor Lyapin wrote:
> > Hello
> > Got strange problem with high system "%system load" and very slow user
> level
> > programs (apache+php+mysql) behavior
> > gstat shows 1.5-4% hard disk busy load but system shows about 20-30% load
> > while user load is max 5%.
> > vmstat shows from 2 to 35 process  in "b" state.
> > Now use 7.0-RELEASE-p5 , but the same problem was with 7.0-RELEASE.
> > And have no idea what to do with this.
>
> Where is the system busy? For start, try to collect information about
> what are your processes doing - for example from top(1).
>
>


More information about the freebsd-stable mailing list