lnx vs Vespa
A side-by-side comparison of two self-hosted search engines options — licensing, setup difficulty, resource needs, and what each one replaces.
| Feature | lnx | Vespa |
|---|---|---|
| Deploy effort | Under-an-hour setup | Under-an-hour setup |
| Health score | 34 · At risk | 91 · Excellent |
| Category | Search Engines | Search Engines |
| License | MIT | Apache-2.0 |
| Language | Rust | Java |
| Setup difficulty | Medium | Hard |
| Min. RAM | 512 MB | 4,096 MB |
| Deployment | docker, binary, source | docker, kubernetes, bare-metal |
| GitHub stars | ★ 1,454 | ★ 7,109 |
| First released | 2021 | 2017 |
| Replaces | Elasticsearch, Algolia | Elasticsearch, Algolia |
What are lnx and Vespa?
lnx
lnx is an open-source search engine server built on top of the Tantivy library that exposes a simple REST API for indexing and querying documents. It aims to be a fast, easy-to-deploy alternative for full-text search.
- Built on Tantivy
- Simple REST API
- Fast full-text search
- Typo-tolerant queries
Vespa
Vespa is an open-source platform for low-latency computation over large data sets, powering search, recommendation and AI applications. It combines storing, searching, ranking and organizing data.
- Combined search and ML ranking
- Vector and tensor computation
- Real-time indexing at scale
- Used for large recommendation systems
lnx vs Vespa: key differences
Lnx is written in Rust, while Vespa is built with Java. Licensing differs — MIT for lnx versus Apache-2.0 for Vespa. Lnx is the lighter option, starting around 512 MB of RAM against 4,096 MB for Vespa. Vespa is the more established project (first released 2017), while lnx arrived in 2021. Vespa has the considerably larger community, at 7,109 GitHub stars versus 1,454.
Why pick each one
Choose lnx if…
- Released under the MIT license
- First-class Docker support for quick deployment
- Active community (1.5k GitHub stars)
- Written in Rust
Choose Vespa if…
- Extremely powerful and scalable
- Built-in ML ranking
Watch out for
- Steep learning curve
- Heavy resource needs
Frequently asked questions
Is lnx or Vespa better?
Neither is universally better. Vespa has the larger community, while lnx is simpler to set up (medium difficulty). Choose based on the comparison table above and your own setup.
Are lnx and Vespa free and open-source?
Yes. lnx is licensed under MIT and Vespa under Apache-2.0. Both can be self-hosted at no software cost.
Can I run lnx and Vespa with Docker?
lnx: yes. Vespa: yes.
Which is lighter on resources, lnx or Vespa?
lnx has the smaller minimum footprint at 512 MB of RAM, compared to about 4,096 MB for Vespa. Real-world usage depends on library size, user count, and enabled features.