Apache Solr vs lnx
A side-by-side comparison of two self-hosted search engines options — licensing, setup difficulty, resource needs, and what each one replaces.
| Feature | Apache Solr | lnx |
|---|---|---|
| Deploy effort | Under-an-hour setup | Under-an-hour setup |
| Health score | 81 · Excellent | 34 · At risk |
| Category | Search Engines | Search Engines |
| License | Apache-2.0 | MIT |
| Language | Java | Rust |
| Setup difficulty | Hard | Medium |
| Min. RAM | 1,024 MB | 512 MB |
| Deployment | docker, kubernetes, bare-metal | docker, binary, source |
| GitHub stars | ★ 1,674 | ★ 1,454 |
| First released | 2006 | 2021 |
| Replaces | Elasticsearch, Algolia | Elasticsearch, Algolia |
What are Apache Solr and lnx?
Apache Solr
Apache Solr is a highly reliable, scalable and fault-tolerant open-source search platform built on Apache Lucene. It powers full-text search, faceting and analytics for many large websites and applications.
- Lucene-powered full-text search
- Faceting and rich querying
- Distributed SolrCloud mode
- Extensive plugin ecosystem
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
Apache Solr vs lnx: key differences
Apache Solr is written in Java, while lnx is built with Rust. Licensing differs — Apache-2.0 for Apache Solr versus MIT for lnx. Lnx is the lighter option, starting around 512 MB of RAM against 1,024 MB for Apache Solr. Apache Solr is the more established project (first released 2006), while lnx arrived in 2021.
Why pick each one
Choose Apache Solr if…
- Mature and battle-tested
- Powerful faceting
Watch out for
- Configuration is complex
Choose lnx if…
- Released under the MIT license
- First-class Docker support for quick deployment
- Active community (1.5k GitHub stars)
- Written in Rust
Frequently asked questions
Is Apache Solr or lnx better?
Neither is universally better. Apache Solr 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 Apache Solr and lnx free and open-source?
Yes. Apache Solr is licensed under Apache-2.0 and lnx under MIT. Both can be self-hosted at no software cost.
Can I run Apache Solr and lnx with Docker?
Apache Solr: yes. lnx: yes.
Which is lighter on resources, Apache Solr or lnx?
lnx has the smaller minimum footprint at 512 MB of RAM, compared to about 1,024 MB for Apache Solr. Real-world usage depends on library size, user count, and enabled features.