[DRMAA-WG] Load average interval ?

Daniel Templeton daniel.templeton at oracle.com
Tue Mar 23 17:00:16 CDT 2010


That's fine with me.

Daniel

On 03/23/10 13:51, Peter Tröger wrote:
>> Any non-SGE opinion ?
>
> Here is mine:
>
> I could only find one single source that explains the load average
> source in Condor :)
>
> http://www.patentstorm.us/patents/5978829/description.html
>
> Condor provides only the 1-minute load average from the uptime command.
>
> Same holds for Moab:
> http://www.clusterresources.com/products/mwm/docs/commands/checknode.shtml
>
> And PBS:
> http://wiki.egee-see.org/index.php/Installing_and_configuring_guide_for_MonALISA
>
> And MAUI:
> https://psiren.cs.nott.ac.uk/projects/procksi/wiki/JobManagement
>
> I vote for reporting only the 1-minute load average.
>
> /Peter.
>
>> And BTW, by using the uptime(1) load semantics, we loose Windows
>> support. There is no such attribute there, load is measured in
>> percentage of non-idle time, and has no direct relationship to the
>> ready queue lengths.
>>
>> Best,
>> Peter.
>>
>> Am 22.03.2010 um 16:02 schrieb Daniel Templeton:
>>
>>> SGE tends to look at the 5-minute average, although any can be
>>> configured.  You could solve it the same way we did for SGE -- offer
>>> three: machineLoadShort, machineLoadMed, machineLoadLong.
>>>
>>> Daniel
>>>
>>> On 03/22/10 06:05, Peter Tröger wrote:
>>>> Hi,
>>>>
>>>> next remaining thing from OGF28:
>>>>
>>>> We support the determination of machineLoad average in the
>>>> MonitoringSession interface. At OGF, we could not agree on which of
>>>> the typical intervals (1/5/15 minutes) we want to use here. Maybe
>>>> all of them ?
>>>>
>>>> Best,
>>>> Peter.
>>>>
>>>>
>>>>
>>>>
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