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Slurm integration #1974
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See https://bugs.schedmd.com/show_bug.cgi?id=19774 for progress on the Slurm side. |
As an interim step towards helping people understand observed problems, we have added a warning to PRRTE when operating under Slurm for the case where the
This will be removed once we have the library integration - but at least until then, may hopefully relieve some confusion and provide a path forward for affected organizations. |
We need to define a better abstraction layer between Slurm and PRRTE for discovering allocated resources and launching PRRTE's daemons. Slurm needs freedom to innovate, changing
srun
cmd line options and Slurm envars as needed - without being constrained by backward compatibility inside of PRRTE. On the other hand, PRRTE needs something stable by which it can discover allocations and reliably launch daemons, without encountering future changes in Slurm.After discussion, we have agreed that creation of a new library whose APIs can provide the necessary abstraction should resolve the dilemma. This issue is being created so that folks can track progress on the solution.
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