[slurm-users] Is QOS always inherited explicitly?

Loris Bennett loris.bennett at fu-berlin.de
Wed Feb 7 02:42:29 MST 2018

Hi Yair,

Thanks for the information.  I guess I'll just have to try it out.

I did have multiple QOS working fine.  However, after I modified one of
the QOS the users suddenly couldn't use any of the non-default QOS.
Maybe I'll have a look at the database myself too.



Yair Yarom <irush at cs.huji.ac.il> writes:

> Hi,
> From my experience - yes, new associations will be associated with the
> QOS of the account.
> I believe it doesn't explicitly modifies all the associations, just
> notifies you which associations will be affected. Looking at my database
> suggests that indeed most associations don't have explicit QOS (but I'm
> not very proficient with slurm's database, so I might be wrong).
> HTH,
>     Yair.
> On Tue, Feb 06 2018, "Loris Bennett" <loris.bennett at fu-berlin.de> wrote:
>> Hi,
>> [I didn't get an answer to this when I tacked it onto the end of another
>> question (which I also didn't get an answer to :-/), so I'm starting a
>> new thread.]
>> The documentation for 'sacctmgr' says
>>   Note: the QOS that can be used at a given account in the hierarchy are
>>   inherited by the children of that account.
>> However, if I do the following:
>>   $ sacctmgr modify account name=root set qos+=medium,short
>> the result is
>>   Modified account associations...
>>     C = soroban    A = root
>>     C = soroban    A = anemometry         U = alice 
>>     C = soroban    A = anemometry         U = bob 
>>     C = soroban    A = barometry          U = carol   
>>     C = soroban    A = barometry          U = dave    
>>     C = soroban    A = calorimetry        U = ethel 
>>     ...
>> To me this looks as if the QOS are in fact being explicitly added to
>> each association (rather than being just implicitly inherited).  In this
>> case, will a new association added within this hierarchy automatically
>> be associated with the QOS available to the other associations?
>> Cheers,
>> Loris
Dr. Loris Bennett (Mr.)
ZEDAT, Freie Universit├Ąt Berlin         Email loris.bennett at fu-berlin.de

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