Re: [HTCondor-users] Limit maximum running jobs per users - How to use parameters?

[Tim Theisen <tim@xxxxxxxxxxx>]

Dear Jeonghyeok,

In HTCondor version 8.8.10, there is no good way to do what you want. However, if you upgrade to a more recent version, the "condor_userprio -setceil" command can limit the number of CPUs that a single user can use. This feature was added in the 9.0.0 version.

...Tim

On 2/24/24 21:49, jhpark95 wrote:

Dear HTCondor users,

I am currently using HTCondor version 8.8.10.

I am wondering if we can set the maximum running jobs per users.

I found the previous threads in HTCondor users but I cannot fully understand how to apply them.

"MAX_JOBS_SUBMITTED This integer value limits the number of jobs permitted in a condor_schedd daemonÃs

queue. Submission of a new cluster of jobs fails, if the total number of jobs would exceed this limit. The default
value for this variable is the largest positive integer value.

MAX_JOBS_PER_OWNER This integer value limits the number of jobs any given owner (user) is permitted to
have within a condor_schedd daemonÃs queue. A job submission fails if it would cause this limit on the number
of jobs to be exceeded. The default value is 100000.
This configuration variable may be most useful in conjunction with MAX_JOBS_SUBMITTED, to ensure that
no one user can dominate the queue."

Let say, we have 20 nodes in the system.

What I want to limit the running job is, any users cannot exceed 10 nodes.

For the users in our system, they have one job per submission.

Is there any examples to set the maximum running jobs by using two parameters above?

Best Regards,

Jeonghyeok

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-- 
Tim Theisen (he, him, his)
Release Manager
HTCondor & Open Science Grid
Center for High Throughput Computing
Department of Computer Sciences
University of Wisconsin - Madison
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