--- title: "yunikorn-core vs volcano" type: "comparison" canonical_url: "https://www.graphcanon.com/compare/apache-yunikorn-core-vs-volcano-sh-volcano" tools: ["apache-yunikorn-core", "volcano-sh-volcano"] --- # yunikorn-core vs volcano *GraphCanon updated Aug 4, 2026* ## Verdict Pick yunikorn-core when pricing: yunikorn-core is free and open-source software under the Apache License v2.0. Additional paid services may be available from third parties for enterprise support or integration.; pick volcano when pricing: Volcano is open-source under the Apache-2.0 license, making it freely available for use without any cost up front.. [yunikorn-core](https://yunikorn.apache.org/) reports 1.0k GitHub stars, 279 forks, and 12 open issues, last pushed Aug 3, 2026. [volcano](https://volcano.sh) has 5.8k stars, 1.5k forks, and 774 open issues, last pushed Aug 3, 2026. Figures are from public GitHub metadata via [yunikorn-core's repository](https://github.com/apache/yunikorn-core) and [volcano's repository](https://github.com/volcano-sh/volcano). | | [yunikorn-core](/tools/apache-yunikorn-core.md) | [volcano](/tools/volcano-sh-volcano.md) | | --- | --- | --- | | Tagline | Universal resource scheduler for container orchestrator systems | A Cloud Native Batch System | | Stars | 1,023 | 5,828 | | Forks | 279 | 1,478 | | Open issues | 12 | 774 | | Language | Go | Go | | Adopt for | - | Volcano is an open-source cloud-native batch system written in Go under Apache-2.0 license that facilitates the management and execution of batch jobs on Kubernetes clusters. | | Persona | - | - | | Runtime | - | - | | License | Apache-2.0 | Apache-2.0 | | Categories | Developer Tools | Inference & Serving, Model Training | ## Trust and health _Sourced signals - not a safety guarantee. No winner column._ | | [yunikorn-core](/tools/apache-yunikorn-core.md) | [volcano](/tools/volcano-sh-volcano.md) | | --- | --- | --- | | Open issues (now) | 12 | 774 | | Full report | [trust report](/tools/apache-yunikorn-core/trust.md) | [trust report](/tools/volcano-sh-volcano/trust.md) | ## Decision facts: yunikorn-core - **Pricing:** freemium - yunikorn-core is free and open-source software under the Apache License v2.0. Additional paid services may be available from third parties for enterprise support or integration. - **Requirements:** Ensure you have a container orchestrator system such as Kubernetes or Apache Hadoop YARN to utilize yunikorn-core effectively.; Consider the learning curve associated with setting up and using YuniKorn if your team is not already familiar with its architecture. ## Decision facts: volcano - **Pricing:** freemium - Volcano is open-source under the Apache-2.0 license, making it freely available for use without any cost up front. - **Requirements:** Requires Docker; Volcano requires an existing Kubernetes cluster for installation and operation. - **Adopt for:** Volcano is an open-source cloud-native batch system written in Go under Apache-2.0 license that facilitates the management and execution of batch jobs on Kubernetes clusters. ## Choose when ### Choose yunikorn-core if… - Pricing: yunikorn-core is free and open-source software under the Apache License v2.0. Additional paid services may be available from third parties for enterprise support or integration.. - Requirements: Ensure you have a container orchestrator system such as Kubernetes or Apache Hadoop YARN to utilize yunikorn-core effectively.; Consider the learning curve associated with setting up and using YuniKorn if your team is not already familiar with its architecture.. - Tags unique to yunikorn-core: apache-yarn, go. - Also covers Developer Tools. - Use yunikorn-core when you need efficient fine-grained resource sharing across various workloads in multi-tenant environments. ### Choose volcano if… - Pricing: Volcano is open-source under the Apache-2.0 license, making it freely available for use without any cost up front.. - Requirements: Requires Docker; Volcano requires an existing Kubernetes cluster for installation and operation.. - Tags unique to volcano: ai, batch-systems, bigdata, gene. - Also covers Inference & Serving, Model Training. - If your organization requires detailed control over resource allocation for batch processing tasks within a Kubernetes environment. ## When NOT to use yunikorn-core - Avoid yunikorn-core when your orchestrator system is not compatible with universal resource schedulers designed for container orchestration. - Do not use if the project strictly requires scheduler solutions that are deeply integrated with a specific orchestrator, as YuniKorn's core remains agnostic to underlying resource managers. ## When NOT to use volcano - If you are looking for an agentless management system since Volcano might require the deployment of agents for full functionality. - In environments where simplicity is more valued than feature richness, as Volcano's setup and maintenance can be more complex compared to simpler batch systems. ## Common questions ### What is the difference between yunikorn-core and volcano? yunikorn-core: Universal resource scheduler for container orchestrator systems. volcano: A Cloud Native Batch System. See the comparison table for live GitHub stats and shared categories. ### When should I choose yunikorn-core over volcano? Choose yunikorn-core over volcano when Pricing: yunikorn-core is free and open-source software under the Apache License v2.0. Additional paid services may be available from third parties for enterprise support or integration.; Requirements: Ensure you have a container orchestrator system such as Kubernetes or Apache Hadoop YARN to utilize yunikorn-core effectively.; Consider the learning curve associated with setting up and using YuniKorn if your team is not already familiar with its architecture.; Tags unique to yunikorn-core: apache-yarn, go; Also covers Developer Tools; Use yunikorn-core when you need efficient fine-grained resource sharing across various workloads in multi-tenant environments. ### When should I choose volcano over yunikorn-core? Choose volcano over yunikorn-core when Pricing: Volcano is open-source under the Apache-2.0 license, making it freely available for use without any cost up front.; Requirements: Requires Docker; Volcano requires an existing Kubernetes cluster for installation and operation.; Tags unique to volcano: ai, batch-systems, bigdata, gene; Also covers Inference & Serving, Model Training; If your organization requires detailed control over resource allocation for batch processing tasks within a Kubernetes environment. ### When should I avoid yunikorn-core? Avoid yunikorn-core when your orchestrator system is not compatible with universal resource schedulers designed for container orchestration. Do not use if the project strictly requires scheduler solutions that are deeply integrated with a specific orchestrator, as YuniKorn's core remains agnostic to underlying resource managers. ### When should I avoid volcano? If you are looking for an agentless management system since Volcano might require the deployment of agents for full functionality. In environments where simplicity is more valued than feature richness, as Volcano's setup and maintenance can be more complex compared to simpler batch systems. ### Is yunikorn-core or volcano more popular on GitHub? volcano has more GitHub stars (5,828 vs 1,023). Stars measure visibility, not whether either tool fits your constraints. ### Are yunikorn-core and volcano open source? Yes - both are open-source projects on GitHub (yunikorn-core: Apache-2.0, volcano: Apache-2.0). ### Where can I find alternatives to yunikorn-core or volcano? GraphCanon lists graph-backed alternatives at [yunikorn-core alternatives](/tools/apache-yunikorn-core/alternatives) and [volcano alternatives](/tools/volcano-sh-volcano/alternatives) ([yunikorn-core markdown twin](/tools/apache-yunikorn-core/alternatives.md), [volcano markdown twin](/tools/volcano-sh-volcano/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/apache-yunikorn-core-vs-volcano-sh-volcano.md) mirrors this page for agents and LLM crawlers, with the same stats table and FAQ answers. ### Which is better maintained, yunikorn-core or volcano? yunikorn-core: Very active. volcano: 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 yunikorn-core and volcano? GraphCanon publishes per-repo trust reports with dated maintenance, provenance, and scan summaries: [yunikorn-core trust report](/tools/apache-yunikorn-core/trust); [volcano trust report](/tools/volcano-sh-volcano/trust). --- **Machine-readable endpoints** - JSON: [`/api/graphcanon/graph?tool=apache-yunikorn-core`](/api/graphcanon/graph?tool=apache-yunikorn-core) - 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/_