[DRMAA-WG] Load average interval ?

[Peter Tröger]

> 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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