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IBM Data and AI Ideas Portal for Customers


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Status Submitted
Workspace Spectrum LSF
Components Scheduling
Created by Guest
Created on Nov 1, 2024

Effective r15s/r1m/r15m values for job reservations

When using run queue length indices in rusage strings, there should be an option to have the value divided by ncpus. Since in the "total load used for scheduling" the r15s/r1m/r15m are taken from lsload -E and divided by the specific ncpus for that machine, it doesn't make sense that the r15s/r1m/r15m values that a user reserves in a job submission are just raw numbers.


This led to some pretty skewed sorting in our LSF setup since we were reserving r15s based on the load you might expect from the raw lsload output and recently realized this overshadows the current load on the machine when sorting the hosts. We plan to lower the values of r15s that we reserve but there is no consistent way to do this across machines that have different ncpus.

Needed By Yesterday (Let's go already!)