Apache Solr vs Qdrant
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?
Apache Solr
Enterprise-grade open-source search platform
VS
Qdrant
High-performance open-source vector search engine
| Feature | Apache Solr | Qdrant |
|---|---|---|
| Category | Search Engines | Search Engines |
| License | Apache-2.0 | Apache-2.0 |
| Language | Java | Rust |
| Setup difficulty | Hard | Medium |
| Min. RAM | 1,024 MB | 512 MB |
| Deployment | docker, kubernetes, bare-metal | docker, kubernetes, helm |
| GitHub stars | ★ 1,650 | ★ 33,837 |
| First released | 2006 | 2021 |
| Replaces | Elasticsearch, Algolia | Pinecone, Algolia |
Why pick each one
Frequently asked questions
Is Apache Solr or Qdrant better?
Qdrant 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 Qdrant free and open-source?
Yes. Apache Solr is licensed under Apache-2.0 and Qdrant under Apache-2.0. Both can be self-hosted at no software cost.
Can I run Apache Solr and Qdrant with Docker?
Apache Solr: yes. Qdrant: yes.