Re: [HTCondor-users] Limiting number of jobs of specific user to N per node

[John M Knoeller <johnkn@xxxxxxxxxxx>]

That's a feature request, and it wouldn't play well with slot re-use.    If the slot gave up some resources once transfer input was finished, then the next job in the queue would not be able to use the slot for transferring input - it would have to give up the match and go back to the negotiator for a new one.

-tj

-----Original Message-----
From: HTCondor-users [mailto:htcondor-users-bounces@xxxxxxxxxxx] On Behalf Of Michael Pelletier
Sent: Monday, October 23, 2017 12:21 PM
To: HTCondor-Users Mail List <htcondor-users@xxxxxxxxxxx>
Subject: Re: [HTCondor-users] Limiting number of jobs of specific user to N per node



> -----Original Message-----
> From: HTCondor-users [mailto:htcondor-users-bounces@xxxxxxxxxxx] On Behalf
> Of Greg Thain
> Sent: Monday, October 23, 2017 9:51 AM
> To: htcondor-users@xxxxxxxxxxx
> Subject: [External] Re: [HTCondor-users] Limiting number of jobs of
> specific user to N per node
> 
> 
> Machine custom resources are the best way to do this.  On the execute
> side, you can define how many resources that machine has, in some
> arbitrary unit, like this:
> 
> MACHINE_RESOURCE_Belle = 4
> 
> and in the job ad, the belle jobs should say
> 
> Request_belle = 1
> 
> which means "only match to machines which have 1 or more belle resources
> remaining, and consume 1 for the duration of my job".
> 
> -greg
> _______________________________________________


Is there any way to specify a resource which a job needs to have available in order to start up, but does not need to hold for the duration of the job? Or is that a feature request? :) 

	-Michael Pelletier.

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