ClaudeSuperPower

together-volcano

Skill

Install and use the Volcano batch scheduler on a Together AI Kubernetes GPU cluster for gang scheduling. Covers installing Volcano, creating queues, submitting all-or-nothing gang-scheduled jobs (vcjobs), and verifying placement. Reach for it when a job on a Together cluster needs its pods scheduled

Install

git clone https://github.com/togethercomputer/skills.git ~/.claude/skills/together-volcano

What is together-volcano?

Install and use the Volcano batch scheduler on a Together AI Kubernetes GPU cluster for gang scheduling. Covers installing Volcano, creating queues, submitting all-or-nothing gang-scheduled jobs (vcjobs), and verifying placement. Reach for it when a job on a Together cluster needs its pods scheduled all-at-once or not at all, such as distributed multi-node training, rather than per-pod best-effort scheduling. Pins Volcano v1.15.0.

What this can do

Capabilities declared in this component's own frontmatter — not inferred.

Inherit all session tools

Declares no tool restrictions — inherits every session tool

~109 tokens of context used while enabled, before you invoke anything

Documentation

README · ~3 min read

Volcano on Together GPU clusters

Volcano is a Kubernetes-native batch scheduler. Its key property is gang scheduling: a group of pods is placed all-at-once or not at all, so distributed training never starts with only some workers running. Use it when a job needs N pods to run together or not at all.

Public cookbook: https://docs.together.ai/docs/volcano-on-gpu-clusters. Pair this skill with the together-gpu-clusters skill, which covers creating the cluster and configuring kubectl.

Preconditions

  • A Together Kubernetes GPU cluster in the Ready state, with kubectl pointed at it (tg beta clusters get-credentials <cluster_id> --set-default-context).
  • GPU nodes expose nvidia.com/gpu; the NVIDIA device plugin is preinstalled on Together clusters. Confirm with:
kubectl get nodes -o custom-columns='NODE:.metadata.name,GPU:.status.allocatable.nvidia\.com/gpu'

Install

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