If you are looking to use the C API for this then showq may be a good
guide: https://github.com/fasrc/slurm_showq The -o option orders the
pending queue in priority order.
If you are looking at native slurm commands, sprio can print out the
current priority breakdown of any job and filter by partition, then you
can reorder based on that. squeue also can print out current priority.
You might also look at the --priority option:
https://slurm.schedmd.com/squeue.html#OPT_priority
-Paul Edmon-
On 10/29/24 9:33 AM, Bhaskar Chakraborty via slurm-users wrote:
Hello,
Is there any DS in slurmctld which portrays the dynamic relative
priority of pending jobs?
We are trying to use slurm for developing a scheduling solution and 1
of the problems we face at the outset is how to determine
the order of scheduling for pending jobs.
One option is to find scheduling iteration window begin & close
pointers & cache the job ids as seen in order & then make them the
priority order at that point of time.
( This means for 500 pending jobs, say, if we can find which are the
slurmctld calls which mark the beginning & end of a sched iteration
then we can use the scheduling order
of jobs as the relative priority order for that period of time, of
course it may change depending on fairshare, user initiated priority
modification etc. )
A concrete existing data structure showing the dynamic priority itself
from slurmctld would be handy.
Help appreciated.
Thanks!
Bhaskar.
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