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BluzenRiver

Job scheduling for one cluster and four GPUs

A scheduler sized for small labs: queue a run, get it placed, see why it did not start when it did not start.

Category
Infrastructure
Status
Beta
Language
Rust
Licence
Apache-2.0
Stars
470
Since
2026

Kubernetes is a wonderful answer to a question small labs are not asking. BluzenRiver answers the smaller one: which of these four GPUs should this run go on, and why is my job still queued.

Status

Beta. Runs the lab's own hardware.

Writing

Infrastructure21 Jul 2026 · 5 min

Scheduling for four GPUs

Kubernetes answers a question small labs are not asking. Notes on writing a scheduler whose main feature is explaining itself.

Kaede MoriiRead

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