Milvus vs OpenObserve
A side-by-side comparison of two self-hosted apps from related categories — licensing, setup difficulty, resource needs, and what each one replaces.
Not the right match-up?
Milvus
Open-source vector database built for scalable similarity search
VS
OpenObserve
Open-source observability platform for logs, metrics and traces
| Feature | Milvus | OpenObserve |
|---|---|---|
| Category | Search Engines | Developer Tools & Git |
| License | Apache-2.0 | AGPL-3.0 |
| Language | Go | TypeScript |
| Setup difficulty | Hard | Medium |
| Min. RAM | 4,096 MB | 1,024 MB |
| Deployment | docker, kubernetes, helm | docker, kubernetes, binary |
| GitHub stars | ★ 45,556 | ★ 20,592 |
| First released | 2019 | 2023 |
| Replaces | Pinecone, Elasticsearch | Datadog, Elasticsearch |
Why pick each one
Choose OpenObserve if…
- Released under the AGPL-3.0 license
- First-class Docker support for quick deployment
- Kubernetes-ready with Helm charts available
- Mature project with 20.6k GitHub stars
Frequently asked questions
Is Milvus or OpenObserve better?
Neither is universally better. Milvus has the larger community, while OpenObserve is simpler to set up (medium difficulty). Choose based on the comparison table above and your own setup.
Are Milvus and OpenObserve free and open-source?
Yes. Milvus is licensed under Apache-2.0 and OpenObserve under AGPL-3.0. Both can be self-hosted at no software cost.
Can I run Milvus and OpenObserve with Docker?
Milvus: yes. OpenObserve: yes.