Elasticsearch vs ParadeDB
Elasticsearch: Lucene-based distributed search and analytics engine for text, vectors, logs and metrics. ParadeDB: Elasticsearch-quality BM25 search and fast aggregations inside Postgres via the pg_search extension.
key differences
- Elasticsearch is built for larger datasets (Multi-PB) than ParadeDB (≤ 10 TB).
- Horizontal scaling is native in Elasticsearch and none in ParadeDB.
- Transactions: Elasticsearch offers limited ACID; ParadeDB offers full.
- Only Elasticsearch has geospatial, streaming ingest.
- Only ParadeDB has transactions, change data capture, triggers, stored procedures, materialized views.
- Elasticsearch has a serverless option; ParadeDB does not.
choose elasticsearch for
- +E-commerce and site search with faceting
- +Log, metrics and SIEM analytics
- +Hybrid keyword plus semantic retrieval for RAG
- +Geospatial search and aggregations
best at · Search, Vector search, RAG
choose paradedb for
- +Search inside a Postgres-backed SaaS app
- +Hybrid search for RAG next to relational data
- +Faceted catalog and marketplace search
- +Replacing Elasticsearch + ETL with one database
best at · Search, Vector search, RAG
Elasticsearch vs ParadeDB: FAQ
What is the difference between Elasticsearch and ParadeDB?
Elasticsearch: Lucene-based distributed search and analytics engine for text, vectors, logs and metrics. ParadeDB: Elasticsearch-quality BM25 search and fast aggregations inside Postgres via the pg_search extension. Elasticsearch is built for larger datasets (Multi-PB) than ParadeDB (≤ 10 TB). Horizontal scaling is native in Elasticsearch and none in ParadeDB. Transactions: Elasticsearch offers limited ACID; ParadeDB offers full.
When should I choose Elasticsearch over ParadeDB?
Choose Elasticsearch for E-commerce and site search with faceting; log, metrics and SIEM analytics; and hybrid keyword plus semantic retrieval for RAG. Choose ParadeDB for search inside a Postgres-backed SaaS app; hybrid search for RAG next to relational data; and faceted catalog and marketplace search.
Is Elasticsearch or ParadeDB more popular?
Elasticsearch ranks #6 on the WhichDB Score (75.1/100) and ParadeDB ranks #122 (25.1/100). Popularity is not fit: check the requirements that matter for your project.
Are Elasticsearch and ParadeDB open source?
Yes. Elasticsearch is open source. License: AGPL-3.0, SSPL 1.0 or Elastic License 2.0 (your choice). Yes. ParadeDB is open source. License: GNU AGPL v3 (Community); commercial license for Enterprise.