[Bioclusters] SGE user_share

[Chris Dagdigian]

'sgeee' should mean that you are running enterprise edition so you are 
all set.

Rather than share tree it may be easier for you to read up on 
"functional policies" -- they are slighly easier to setup and comprehend 
then ticket based share trees.

With a functional policy you can assign percentages of cluster resources 
to Users, UserGroups, Projects and Departments however you like.

If you just set up a few users and assign relative percentages then the 
overall cluster will schedule jobs essentially fairshare-by-user with 
each user's jobs being FIFO. Most people do functional policy based 
resource allocation by just creating a few departments, adding people to 
each department as needed and then assigning 50% of the cluster to 
DepartmentA and 50% to DepartmentB etc.  Obviously when the cluster is 
idle anyone can get more than 50%.


-chris




Chris Dwan wrote:

>> I take it you are running SGE (not Enterprise Edition?)
> 
> 
> If the way you can tell the difference is the file:  
> $SGE_ROOT/default/common/product_mode, then I'm running "sgeee".  If 
> there is some other way to tell the difference between the two modes, 
> I'm not aware of it.
> 
>> What you really need to do is set up share-tree policy for your cluster.
>> What that involves is creating a default 'project' which users submit
>> jobs to, then also creating users within SGE so that it can keep track
>> of accounting information.
> 
> 
> This seems to make your question above very pertinent, since the 
> "share_tree" manual page indicates:
> 
>       The share tree object is only available in case of a Grid Engine 
> Enter-
>        prise Edition system. Grid Engine has no share tree object.
> 
> Thanks for the pointer to the use cases document.  I'll give it a whirl 
> and see what happens.  If it becomes more complex than installing Maui, 
> I'll do that instead.  :)
> 
> -Chris Dwan
> 
> _______________________________________________
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Chris Dagdigian, <dag@sonsorol.org>
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