Deprecating load_balancing scheduler config

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Links

• Link to discussion on Developer Forum: http://community.pbspro.org/t/deprecating-load-balancing-sched-config/2104
• Link to issue: <issue link if available>
• Link to pull request: https://github.com/PBSPro/pbspro/pull/1718

Overview

Setting load_balancing to true will make the scheduler take into account the load average on vnodes. This requires the scheduler to contact the mom via the rm library.

This is a slow way of doing things, as the scheduler will ping each vnode every cycle. Instead, just like mom dynamic resources, it should be set in an exechost hook.

Technical Details

• load_balancing will be marked as deprecated in the documentation & eventually removed from the sched config

Notes

• This is the only non-deprecated feature that makes the scheduler contact the mom.

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