compare
ParadeDB vs Apache Solr
The same facts for both, read from GitHub every night, and the relation a person reviewed.
| Fact | ParadeDB | Apache Solr |
|---|---|---|
| Language | Rust | Java |
| Licence | AGPL-3.0 | Apache-2.0 |
| Stars | 9.4k | 1.7k |
| Latest | v0.26.0 | releases/solr/10.0.0 |
| Last push | 2026-10-06 | 2026-10-06 |
| Release cadence | too few releases | too few releases |
| Active contributors | 34+ commit authors on the default branch in the last 90 days | 40 commit authors on the default branch in the last 90 days |
| Flags | none | none |
How they relate
Both replace Elasticsearch. Alternatives to Elasticsearch →
PartialParadeDBBM25 full-text search and aggregations inside Postgres through the pg_search extension, queried in SQL.
Full replacementApache SolrAlso built on Lucene, with its own query API.
ParadeDB
- v0.26.02026-10-03chore: Generate Dockerfiles for v0.25.0 by @paradedb-github-bot[bot] in
- v0.26.0-rc.42026-10-01chore: Generate Dockerfiles for v0.25.0 by @paradedb-github-bot[bot] inpre-release
- v0.26.0-rc.32026-10-01chore: Generate Dockerfiles for v0.25.0 by @paradedb-github-bot[bot] inpre-release
- v0.26.0-rc.22026-09-30chore: Generate Dockerfiles for v0.25.0 by @paradedb-github-bot[bot] inpre-release
- v0.25.112026-09-29chore: Generate Dockerfiles for v0.25.10 by @paradedb-github-bot[bot] in
Apache Solr
This repository publishes tags, not GitHub releases.
ParadeDB
✓ signed The latest release, v0.26.0, carries a signature GitHub verified.
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Apache Solr
unsigned The latest release, releases/solr/10.0.0, carries no signature GitHub could verify.
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