[Voyage-linux] Cron 100% CPU

[bentscrewdriver]

I commented everything out in /etc/crontab and there are no other
crontabs for any users (/var/spool/cron/crontabs) so it shouldn't even
be running anything. This is why i am puzzled by the high usage.

On Fri, Jul 27, 2012 at 10:54 AM, Teco Boot <teco at inf-net.nl> wrote:
> What is in /etc/crontab?
> What happens if you run the cron commands by hand?
>
> Teco
>
> Op 27 jul. 2012, om 16:26 heeft bentscrewdriver het volgende geschreven:
>
>> 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)
>>>  - Voyage MPD   (http://linux.voyage.hk/voyage-mpd)
>>> * Voyage Store   (http://store.voyage.hk)
>>>
>>>
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>>
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