[Voyage-linux] Cron 100% CPU

bentscrewdriver (spam-protected)
Fri Jul 27 22:26:02 HKT 2012


I've stopped keepalived as well as haproxy and cron still spikes to
100%  and stays there for a minute or so. Any other ideas? lsof
doesn't show anything different...thanks.

top - 21:47:06 up 10 days, 22:47,  3 users,  load average: 0.30, 0.44, 0.48
Tasks:  44 total,   2 running,  41 sleeping,   0 stopped,   1 zombie
Cpu(s): 67.2%us, 32.5%sy,  0.0%ni,  0.0%id,  0.0%wa,  0.0%hi,  0.3%si,  0.0%st
Mem:   2075148k total,   130808k used,  1944340k free,      256k buffers
Swap:        0k total,        0k used,        0k free,   103936k cached

  PID USER      PR  NI  VIRT  RES  SHR S %CPU %MEM    TIME+  COMMAND
22561 root      20   0  2120  492  372 R  100  0.0   7:51.65 cron
29911 root      20   0  2372 1032  820 R    1  0.0   8:42.16 top
    4 root      20   0     0    0    0 S    0  0.0   4:04.04 kworker/0:0
    1 root      20   0  2072  672  580 S    0  0.0   0:20.41 init
    2 root      20   0     0    0    0 S    0  0.0   0:00.00 kthreadd
    3 root      20   0     0    0    0 S    0  0.0   0:00.01 ksoftirqd/0
    5 root      20   0     0    0    0 S    0  0.0   0:00.06 kworker/u:0
    6 root      RT   0     0    0    0 S    0  0.0   0:00.00 migration/0
    7 root      RT   0     0    0    0 S    0  0.0   0:00.00 migration/1
    8 root      20   0     0    0    0 S    0  0.0   0:00.00 kworker/1:0
    9 root      20   0     0    0    0 S    0  0.0   0:00.01 ksoftirqd/1
   10 root      20   0     0    0    0 S    0  0.0   0:05.88 kworker/0:1
   11 root       0 -20     0    0    0 S    0  0.0   0:00.00 khelper
   12 root      20   0     0    0    0 S    0  0.0   0:00.49 kdevtmpfs
   13 root      20   0     0    0    0 S    0  0.0   0:00.00 kworker/u:1
  123 root      20   0     0    0    0 S    0  0.0  71571:58 sync_supers
  125 root      20   0     0    0    0 S    0  0.0   0:00.09 bdi-default


p

On Thu, Jul 26, 2012 at 9:04 PM, Kim-man 'Punky' TSE
<punkytse at punknix.com> wrote:
> On 7/27/2012 12:34 AM, bentscrewdriver wrote:
>>
>> 26652 ?        Ss     0:36 /usr/sbin/keepalived
>> 26654 ?        S      0:39 /usr/sbin/keepalived
>> 26655 ?        S      6:57 /usr/sbin/keepalived
>> 29529 ?        Rs     4:29 /usr/sbin/cron -L 2
>
> As shown, cron and keepalived spend much more user time than others.  May be
> you should check what you have done with keepalived first.
>
> --
> Regards,
> Kim-man "Punky" Tse
>
> * Open Source Embedded Solutions and Systems
>   - Voyage Linux (http://linux.voyage.hk)
>   - Voyage ONE   (http://linux.voyage.hk/voyage-one)
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> * Voyage Store   (http://store.voyage.hk)
>
>
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