[csw-buildfarm] High load with unknown source:

[Török Edwin]

On 02/01/2010 10:23 PM, Dagobert Michelsen wrote:
> Hi Edwin,
> 
> Am 01.02.2010 um 21:15 schrieb Török Edwin:
>> One of my unit tests has timed out, it is taking 7-20s, while it
>> normally takes ~0.5s under Linux/x86-64:
>> b9s:
>> real       21.0
>> user        2.2
>> sys         2.4
>>
>> Linux:
>> real    0m0.537s
>> user    0m0.228s
>> sys     0m0.320s
>>
>>
>> I noticed that there is a high load on the Solaris buildhosts
>> (b8s,b9s,b10s):
>>
>>  9:06pm  up 13 day(s),  9:35,  5 users,  load average: 14.52, 14.97, 15.93
>>
>>
>> Is this normal? Is some maintainance task running on the buildfarms
>> right now?
> 
> No, James is rebuilding OpenOffice with parallel builds as the ususal
> build takes *very* long. The load looks quite impressive:
>   <http://buildfarm.opencsw.org/munin/ncsw/ncsw/index.html#system>
> Additionally I am rebuilding experimental-project catalogs which generates
> about 350.000 files.

Interesting. How come none of the processes show up in top? :)
Is that all I/O bound?


> 
>> If so I can disable my automated builds during the maintainance, just
>> let me know what time intervals I should exclude.
> 
> No no, just go ahead.
> 
> Sorry for the inconvenience

No problem, I will figure a solution to not send false "build/test
failed" emails from my buildbot in these cases.

Best regards,
--Edwin