[Mauiusers] lower priority jobs running first?

Greenseid, Joseph M. Joseph.Greenseid at ngc.com
Thu Sep 4 11:44:03 MDT 2008


Other than backfilling, in what situation(s) should Maui run jobs out of priority order?  

________________________________

From: mauiusers-bounces at supercluster.org on behalf of Greenseid, Joseph M.
Sent: Tue 9/2/2008 5:12 PM
To: turnerg at indiana.edu
Cc: mauiusers at supercluster.org
Subject: Re: [Mauiusers] lower priority jobs running first?



Backfill is enabled.  The higher priority jobs are much shorter in requested walltime (1 hour vs 8).  Requested resources in terms of number of nodes in this example/test is the same. 
--Joe


----- Original Message -----
From: George Wm Turner <turnerg at indiana.edu>
To: Greenseid, Joseph M.
Cc: mauiusers at supercluster.org <mauiusers at supercluster.org>
Sent: Tue Sep 02 16:06:29 2008
Subject: Re: [Mauiusers] lower priority jobs running first?

is backfill enabled and are these small jobs?

george wm turner
high performance systems
812 855 5156



On Sep 2, 2008, at 4:14 PM, Greenseid, Joseph M. wrote:

> i have a situation with my setup where i get the following from 
> `diagnose -p`:
>
> diagnosing job priority information (partition: ALL)
>
> Job                    PRIORITY*   Cred(Class)    FS(Group)  
> Serv(QTime:XFctr)
>              Weights   --------       1(    1)   500(    1)     
> 1(    1:  100)
>
> 552                      -39900     0.0(  0.0)  99.7(-4000)   
> 0.3(  0.2:100.1)
> 553                      -39900     0.0(  0.0)  99.7(-4000)   
> 0.3(  0.2:100.1)
> 554                      -14899    38.4(25000)  61.4(-4000)   
> 0.2(  0.2:100.4)
> 555                      -14899    38.4(25000)  61.4(-4000)   
> 0.2(  0.2:100.3)
>
> Percent Contribution   --------    23.8( 23.8)  76.0( 76.0)   
> 0.2(  0.0:  0.2)
> these lower priority (-39900) jobs will always run sooner than the 
> higher priority jobs (-14899).  why?  why wouldn't higher priority 
> jobs run first?
>
> thanks,
> --Joe
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