Slurm
A widely used open-source workload manager and job scheduler for HPC and AI clusters.
Current numbers
~70% / ~20% / ~10%AI/HPC scheduler share: Slurm / Kubernetes / in-house (rule of thumb)
~70% / ~20%Slurm vs Kubernetes share of AI clusters — the two quota/fairness enforcement planes operators must master
~70% / ~20%SLURM vs Kubernetes scheduler share on AI training clusters in 2026 (rest: converged/other)