[Mauiusers] Fairshare policy help

Mary Ellen Fitzpatrick mfitzpat at bu.edu
Thu Feb 8 11:40:27 MST 2007


Thanks to all that replied.
My fairshare policy is working now. 
New configs
Queuetime 0
FSWEIGHT   1
FSUSERWEIGHT   1
FSGROUPWEIGHT   1
USERCFG[DEFAULT]   FSTARGET=5.0  # based on 20 active users.

Thanks again
Mary Ellen

Steve Traylen wrote:
>
> On Feb 6, 2007, at 11:06 PM, Mary Ellen Fitzpatrick wrote:
>
>> Hi,
>> I am trying to configure the fairshare policy or a solution, so that 
>> users who submit 100 jobs can not monopolize the cluster. The cluster 
>> consists of 32 dual processor nodes. Torque-2.0.0p8 and maui-3.2.6p16 
>> are installed on a system running Centos 4.   All users are in the 
>> group students and right now, there is only one queue.  There are no 
>> restrictions on the number of jobs a user can run and it is a FIFO 
>> operation.
>>
>> UserA submits 100 jobs and monopolizes the cluster and also has jobs 
>> in the queue.  UserB submits 10 jobs and has to wait until all of 
>> userA's jobs, both running/queued, have finished before userB jobs 
>> will run.  I want to be able to properly weight the jobs in the 
>> queue, so that even if userA's jobs have been queued long, userB's 
>> jobs will run first.
>>
>
> Mary,
>
>   I gave a short 30m tutorial on Torque and Maui the other day which 
> might answer some of your questions hopefully?
>
>   
> http://indico.cern.ch/materialDisplay.py?contribId=34&sessionId=21&materialId=slides&confId=3738 
>
>
>   the TorqueMauiTutorial* documents are all the same, just different 
> formats. The .mov format is probably the best.
>
>    Steve
>
>> It seems the fairshare policy with historical usage would be the way 
>> to go, but I am not sure if I have the selected the correct 
>> parameters or configured them properly.   Here is the relevant 
>> maui.cfg parameters I have enabled.
>>
>> QUEUETIMEWEIGHT       10
>>
>> FSPOLICY              PSDEDICATED
>> FSDEPTH               4
>> FSINTERVAL           00:06:00
>> FSDECAY               0.50
>>
>> FSWEIGHT       1
>> FSUSERWEIGHT  1
>> FSGROUPWEIGHT 1
>> USERCFG[DEFAULT]   FSTARGET=70    ( hoping this give any user a 
>> fairshare target of 70.  Is this the parameter I should be tweaking 
>> the most?)
>>
>> Any help would be great.
>> Thanks
>> Mary Ellen
>>
>>
>>
>>
>>
>> --Mary Ellen FitzPatrick
>> Systems Analyst Bioinformatics
>> Boston University
>> 24 Cummington St.
>> Boston, MA 02215
>> office 617-358-2771
>> emergencies 617-797-7856 mfitzpat at bu.edu
>>
>> _______________________________________________
>> mauiusers mailing list
>> mauiusers at supercluster.org
>> http://www.supercluster.org/mailman/listinfo/mauiusers
>
> --Steve Traylen
> steve.traylen at cern.ch
> CERN, IT-GD-OPS.
>
>
>

-- 
Mary Ellen FitzPatrick
Systems Analyst 
Bioinformatics
Boston University
24 Cummington St.
Boston, MA 02215
office 617-358-2771
emergencies 617-797-7856 
mfitzpat at bu.edu



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