You can also cap the queuetime weight with QUEUETIMECAP so that it won't 
exceed the priority of the preempting queue.

http://www.adaptivecomputing.com/resources/docs/maui/a.fparameters.php

// Steve


On 12/14/2011 03:53 PM, Troy Baer wrote:
> On Wed, 2011-12-14 at 16:16 -0500, Edsall, William (WJ) wrote:
>> Unfortunately I had to clear them out to fit some jobs in.. but I have
>> a similar comparison:
>>
>>
>> ]# diagnose -p | more
>> diagnosing job priority information (partition: ALL)
>>
>> Job                    PRIORITY*   Cred(  QOS:Class)  Serv(QTime)
>>               Weights   --------       1(    1:    1)     1(    1)
>>
>> 258693                    10076     1.0(  0.0:100.0)  99.0(9975.)
>> 258704                    10076     1.0(  0.0:100.0)  99.0(9975.)
>> 258705                    10076     1.0(  0.0:100.0)  99.0(9975.)
>> 258708                    10076     1.0(  0.0:100.0)  99.0(9975.)
>> 258714                    10076     1.0(  0.0:100.0)  99.0(9975.)
>> 258474                     9949     1.0(  0.0:100.0)  99.0(9849.)
>> 258463                     9810     1.0(  0.0:100.0)  99.0(9709.)
>>
>> These top jobs with 10,000+ are preempted, originally had 100
>> priority. Currently they are suspended.
>
> IIRC, the QUEUETIMEWEIGHT factor is multiplied by the number of minutes
> the job has been eligible to run, and the default value for it is 1.
>
> There are a couple different thing you could do here:
>
> * Set QUEUETIMEWEIGHT to 0, which has the potentially unfortunate side
> effect of not giving any priority to *any* jobs which have been sitting
> for a long time.
>
> * Set CREDWEIGHT to something larger than 1 (e.g. 10 or 100) to reduce
> the relative effect of jobs' queue wait time relative to the priority
> factor from the class.
>
> * Use a QOS to adjust QUEUETIMEWEIGHT for the jobs in question.  (See
> http://www.adaptivecomputing.com/resources/docs/maui/5.1.2priorityfactors.php#queuetimesubcomponent
>  for details.)
>
>       --Troy
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