[slurm-users] [External] Autoset job TimeLimit to fit in a reservation

[Florian Zillner]

Hi,

well, I think you're putting the cart before the horse, but anyway, you could write a script that extracts the next reservation and does some simple math to display the time in hours or else to the user. It's the users job to set the time their job needs to finish. Auto-squeezing a job that takes 2 days to complete into a remaining 2 hour window until the reservation starts doesn't make any sense to me.

# NEXTRES=$(scontrol show res | head -n1 | awk '{print $2}' | cut -f2 -d= | xargs -I {} date +%s --date "{}" )
# NOW=$(date +%s)
# echo "$(((NEXTRES - NOW) / 3600)) hours left until reservation begins"
178 hours left until reservation begins

Cheers,
Florian


________________________________
From: slurm-users <slurm-users-bounces at lists.schedmd.com> on behalf of Jeremy Fix <Jeremy.Fix at centralesupelec.fr>
Sent: Monday, 29 March 2021 10:48
To: slurm-users at lists.schedmd.com <slurm-users at lists.schedmd.com>
Subject: [External] [slurm-users] Autoset job TimeLimit to fit in a reservation

Hi,

I'm wondering if there is any built-in option to autoset a job TimeLimit
to fit within a defined reservation.

For now, it seems to me that the timelimit must be explicitely provided,
in a agreement with the deadline of the reservation, by a user when
invoking the srun or sbatch command while I would find it comfortable to
let slurm calculate the remaining time of the reservation on which
srun/sbatch is executed and fill in the TimeLimit accordingly;

Best;

Jeremy.


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