Update "excl" to "exclhost" for exclusive jobs on WCOSS2 #783
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- The HOMEobsproc setting in config.base.nco.static is not used in operations and thus not needed in this version of config.base. Refs: NOAA-EMC#399
- Update on Dogwood implemented cgroups, which means memory limits are now enforced. - Exclusive jobs must now use "place=exclhost" insted of "place=excl". - Associated exclusive ecf script PBS statements are updated to exclhost. Refs: NOAA-EMC#399
Need to set exclhost for exclusive jobs on WCOSS2 now after cgroups was implemented. Matches updates to exclusive job ecf script PBS statements. Refs: NOAA-EMC#399
Will consider removing at later date. Refs: NOAA-EMC#399
aerorahul
approved these changes
May 13, 2022
lgannoaa
approved these changes
May 13, 2022
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Description
This PR updates the
exclPBS statement toexclhostafter cgroups was implemented on WCOSS2. With cgroups implementation, memory limits are now being enforced and exclusive jobs needs to setplace=exclhostto use all memory on the node(s). If you don't specify memory (and without exclhost) then you'll default to 1G/core.The rocoto
workflow_utils.pyis also updated to useexclhostnow for generated xmls on WCOSS2.Type of change
How Has This Been Tested?
NCO made and tested this update on WCOSS2 Dogwood after cgroups implementation. @lgannoaa also updated his ecflow test with these updates and confirmed his test runs again on Dogwood.
Refs #399