Elasticsearch vs Xapian
A side-by-side comparison of two self-hosted search engines options — licensing, setup difficulty, resource needs, and what each one replaces.
Not the right match-up?
Elasticsearch
Distributed search and analytics engine
VS
Xapian
Mature open-source probabilistic search engine library
| Feature | Elasticsearch | Xapian |
|---|---|---|
| Category | Search Engines | Search Engines |
| License | Elastic-2.0 | GPL-2.0 |
| Language | Java | C++ |
| Setup difficulty | Hard | Medium |
| Min. RAM | 2,048 MB | 128 MB |
| Deployment | docker, kubernetes, bare-metal | bare-metal, source |
| GitHub stars | ★ 77,808 | ★ 877 |
| First released | 2010 | 1999 |
| Replaces | Algolia, Splunk | Elasticsearch |
Why pick each one
Frequently asked questions
Is Elasticsearch or Xapian better?
Neither is universally better. Elasticsearch has the larger community, while Xapian is simpler to set up (medium difficulty). Choose based on the comparison table above and your own setup.
Are Elasticsearch and Xapian free and open-source?
Yes. Elasticsearch is licensed under Elastic-2.0 and Xapian under GPL-2.0. Both can be self-hosted at no software cost.
Can I run Elasticsearch and Xapian with Docker?
Elasticsearch: yes. Xapian: check the project docs for container support.