[GE users] User Priorities

reuti reuti at staff.uni-marburg.de
Mon May 3 22:53:16 BST 2010


Am 03.05.2010 um 23:48 schrieb jebnor:

> Hello all,
> I have users that would like the functionality listed below.  Is it  
> possible, or is there a hack/workaround that simulates it?
> I have my grid setup to use a share-tree policy. My users would like  
> to re-prioritize the jobs that they have submitted. That is, they  
> would like to change the order the jobs they have submitted are sent  
> to the execution nodes.
> For example, a user does this::
> Submit 100 jobs to the grid. These take 48hrs each.
> The next day, the user needs to run 20 jobs that take 30min, so that  
> they can use the results to setup the next big batch to run.
> Now, the user wants the 20 jobs to be 'in front' of the previously  
> submitted jobs that are not yet running.
> I'm worried that using the 'priority' number effects their global  
> priority.  We don't want someone jumping the global queue just to  
> rearrange their jobs.  I'm worried this will screw up the share-tree  
> policy in-so-far-as bumping the priority now, on these small jobs,  
> may starve the user later.
> Any thoughts?

one option could be to put all the less important jobs on hold  
(`qhold`) and release (`qrls`) them later again when the short jobs  
are done.

-- Reuti

> -- 
> Marc Moreau


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