#slurm

3 posts tagged slurm.

HPC Lab · June 13, 2026 · 8 min

The condo model and the money shot: watching Slurm preempt a job

Sherlock's condo model: research groups buy nodes and get guaranteed priority; everyone else uses idle cycles and gets bumped when an owner shows up. Here we configure it on two VMs and watch a high-priority job preempt a running one, live.

HPC Lab · June 11, 2026 · 6 min

OpenHPC, Munge, and Slurm: wiring the cluster's brain

A cluster runs on trust: every daemon has to prove who it is, and they all have to agree on the time. This part installs the curated software stack and the shared-secret auth that lets a pile of VMs become one cluster.

HPC Lab · June 9, 2026 · 8 min

What an HPC cluster actually is (and how to fake one on a single box)

Strip away the marketing and a supercomputer is five roles wired to a private network. Here's the mental model, and the groundwork for rebuilding a Sherlock-style HPC cluster on one Linux box.