--- title: "PowerJob vs slurm" type: "comparison" canonical_url: "https://www.graphcanon.com/compare/powerjob-powerjob-vs-schedmd-slurm" tools: ["powerjob-powerjob", "schedmd-slurm"] --- # PowerJob vs slurm *GraphCanon updated Aug 10, 2026* ## Verdict Pick PowerJob if powerJob is an enterprise job scheduling middleware with distributed computing abilities, supporting Java environments under the Apache-2.0 license; pick slurm if slurm is an open-source workload manager for Linux clusters that focuses on scalability, simplicity, portability, fault-tolerance, and agnostic interconnects. [PowerJob](http://www.powerjob.tech/) reports 7.8k GitHub stars, 1.4k forks, and 346 open issues, last pushed Mar 7, 2026. [slurm](https://slurm.schedmd.com/) has 4.2k stars, 872 forks, and 14 open issues, last pushed Aug 3, 2026. Figures are from public GitHub metadata via [PowerJob's repository](https://github.com/PowerJob/PowerJob) and [slurm's repository](https://github.com/SchedMD/slurm). | | [PowerJob](/tools/powerjob-powerjob.md) | [slurm](/tools/schedmd-slurm.md) | | --- | --- | --- | | Tagline | Enterprise job scheduling middleware with distributed computing ability | Cluster resource management and job scheduling system | | Stars | 7,776 | 4,205 | | Forks | 1,381 | 872 | | Open issues | 346 | 14 | | Language | Java | C | | Adopt for | PowerJob is an enterprise job scheduling middleware with distributed computing abilities, supporting Java environments under the Apache-2.0 license. | Slurm is an open-source workload manager for Linux clusters that focuses on scalability, simplicity, portability, fault-tolerance, and agnostic interconnects. | | Persona | - | - | | Runtime | - | - | | License | Apache-2.0 | Other | | Categories | Developer Tools | Developer Tools | ## Trust and health _Sourced signals - not a safety guarantee. No winner column._ | | [PowerJob](/tools/powerjob-powerjob.md) | [slurm](/tools/schedmd-slurm.md) | | --- | --- | --- | | Maintenance | Slowing (36%) | Very active (96%) | | Days since push | 156d | 0d | | Open issues (now) | 346 | 14 | | Full report | [trust report](/tools/powerjob-powerjob/trust.md) | [trust report](/tools/schedmd-slurm/trust.md) | ## Decision facts: PowerJob - **Adopt for:** PowerJob is an enterprise job scheduling middleware with distributed computing abilities, supporting Java environments under the Apache-2.0 license. ## Decision facts: slurm - **Adopt for:** Slurm is an open-source workload manager for Linux clusters that focuses on scalability, simplicity, portability, fault-tolerance, and agnostic interconnects. ## Choose when ### Choose PowerJob if… - PowerJob is primarily Java; slurm is C. - License: PowerJob is Apache-2.0, slurm is Other. - Tags unique to PowerJob: cron, distributed, java, mapreduce. - PowerJob ships Docker support for self-hosted deployment. - When your project requires robust support for distributed computing within Java-based enterprise systems ### Choose slurm if… - slurm is primarily C; PowerJob is Java. - License: slurm is Other, PowerJob is Apache-2.0. - Tags unique to slurm: cluster-management, slurm. - For managing large-scale computing clusters requiring exclusive or non-exclusive resources ## When NOT to use PowerJob - Avoid if your applications are predominantly non-Java environments, as PowerJob is specifically tailored towards Java ecosystems - Not recommended if real-time processing capabilities are critical, given its focus on scheduled and distributed computing tasks ## When NOT to use slurm - If your cluster operates under an operating system other than Linux - When detailed interconnect knowledge is necessary, as Slurm does not specialize in specific network types - For smaller clusters that do not benefit from the complexity of a full-fledged workload manager ## Common questions ### What is the difference between PowerJob and slurm? PowerJob: Enterprise job scheduling middleware with distributed computing ability. slurm: Cluster resource management and job scheduling system. See the comparison table for live GitHub stats and shared categories. ### When should I choose PowerJob over slurm? Choose PowerJob over slurm when PowerJob is primarily Java; slurm is C; License: PowerJob is Apache-2.0, slurm is Other; Tags unique to PowerJob: cron, distributed, java, mapreduce; PowerJob ships Docker support for self-hosted deployment; When your project requires robust support for distributed computing within Java-based enterprise systems. ### When should I choose slurm over PowerJob? Choose slurm over PowerJob when slurm is primarily C; PowerJob is Java; License: slurm is Other, PowerJob is Apache-2.0; Tags unique to slurm: cluster-management, slurm; For managing large-scale computing clusters requiring exclusive or non-exclusive resources. ### When should I avoid PowerJob? Avoid if your applications are predominantly non-Java environments, as PowerJob is specifically tailored towards Java ecosystems Not recommended if real-time processing capabilities are critical, given its focus on scheduled and distributed computing tasks ### When should I avoid slurm? If your cluster operates under an operating system other than Linux When detailed interconnect knowledge is necessary, as Slurm does not specialize in specific network types For smaller clusters that do not benefit from the complexity of a full-fledged workload manager ### Is PowerJob or slurm more popular on GitHub? PowerJob has more GitHub stars (7,776 vs 4,205). Stars measure visibility, not whether either tool fits your constraints. ### Are PowerJob and slurm open source? Yes - both are open-source projects on GitHub (PowerJob: Apache-2.0, slurm: Other). ### Where can I find alternatives to PowerJob or slurm? GraphCanon lists graph-backed alternatives at [PowerJob alternatives](/tools/powerjob-powerjob/alternatives) and [slurm alternatives](/tools/schedmd-slurm/alternatives) ([PowerJob markdown twin](/tools/powerjob-powerjob/alternatives.md), [slurm markdown twin](/tools/schedmd-slurm/alternatives.md)), ranked by typed relationship edges rather than popularity votes. ### Is there a machine-readable version of this comparison? Yes. The markdown twin at [this comparison](/compare/powerjob-powerjob-vs-schedmd-slurm.md) mirrors this page for agents and LLM crawlers, with the same stats table and FAQ answers. ### Which is better maintained, PowerJob or slurm? PowerJob: Slowing. slurm: Very active. Compare maintenance labels, days since push, and release cadence in the trust section below - stars alone do not measure maintenance. ### Where are the full trust reports for PowerJob and slurm? GraphCanon publishes per-repo trust reports with dated maintenance, provenance, and scan summaries: [PowerJob trust report](/tools/powerjob-powerjob/trust); [slurm trust report](/tools/schedmd-slurm/trust). --- **Machine-readable endpoints** - JSON: [`/api/graphcanon/graph?tool=powerjob-powerjob`](/api/graphcanon/graph?tool=powerjob-powerjob) - LLM index: [/llms.txt](/llms.txt) - Full corpus: [/llms-full.txt](/llms-full.txt) _GraphCanon - The knowledge graph for AI development. https://www.graphcanon.com/_