Apache Solr vs Infinity
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 | Infinity |
|---|---|---|
| Deploy effort | Under-an-hour setup | Under-an-hour setup |
| Health score | 81 · Excellent | 89 · Excellent |
| Category | Search Engines | Search Engines |
| License | Apache-2.0 | Apache-2.0 |
| Language | Java | C++ |
| Setup difficulty | Hard | Medium |
| Min. RAM | 1,024 MB | 2,048 MB |
| Deployment | docker, kubernetes, bare-metal | docker, binary |
| GitHub stars | ★ 1,673 | ★ 4,716 |
| First released | 2006 | 2024 |
| Replaces | Elasticsearch, Algolia | Pinecone, Elasticsearch |
What are Apache Solr and Infinity?
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
Infinity
Infinity is an open-source AI-native database built for embedding, full-text and hybrid search with very low latency. It is self-hosted and serves as a high-performance search and retrieval backend.
- AI-native database
- Vector and full-text search
- Hybrid retrieval
- Self-hostable
Apache Solr vs Infinity: key differences
Apache Solr is written in Java, while Infinity is built with C++. Apache Solr is the lighter option, starting around 1,024 MB of RAM against 2,048 MB for Infinity. Apache Solr is the more established project (first released 2006), while Infinity arrived in 2024. Infinity has the considerably larger community, at 4,716 GitHub stars versus 1,673.
Why pick each one
Choose Apache Solr if…
- Mature and battle-tested
- Powerful faceting
Watch out for
- Configuration is complex
Choose Infinity if…
- Released under the Apache-2.0 license
- First-class Docker support for quick deployment
- Active community (4.7k GitHub stars)
- Written in C++
Frequently asked questions
Is Apache Solr or Infinity better?
Infinity is the stronger all-round pick: it has both the larger community and the simpler medium setup. Consider Apache Solr if its specific feature set fits your needs better.
Are Apache Solr and Infinity free and open-source?
Yes. Apache Solr is licensed under Apache-2.0 and Infinity under Apache-2.0. Both can be self-hosted at no software cost.
Can I run Apache Solr and Infinity with Docker?
Apache Solr: yes. Infinity: yes.
Which is lighter on resources, Apache Solr or Infinity?
Apache Solr has the smaller minimum footprint at 1,024 MB of RAM, compared to about 2,048 MB for Infinity. Real-world usage depends on library size, user count, and enabled features.