[csw-buildfarm] High load with unknown source:

[Dagobert Michelsen]

Hi Török,

Am 01.02.2010 um 21:28 schrieb Török Edwin:
> On 02/01/2010 10:23 PM, Dagobert Michelsen wrote:
>> 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?

The processes are shortlived. You could see them with DTrace from the global
zone with shortlived.d from the DTraceToolkit.


Best regards

  -- Dago