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Hello World! with Lucene
Lucene the “brain” behind search engines.
7 min readApr 29, 2025
Imagine you are building a desktop application for a legal firm that needs to search through thousands of legal documents stored locally on the user’s machine. In this case, using Lucene directly would be more practical than setting up OpenSearch.
Why Use Lucene in This Scenario?
- No Need for a Distributed System: The application is standalone and does not require the scalability or distributed nature of OpenSearch. Lucene is lightweight and can be embedded directly into the application.
- Offline Search: The application needs to work offline without requiring a connection to an OpenSearch cluster.
- Custom Search Logic: Lucene allows you to build custom search logic and indexing tailored to the application’s specific needs.
- Simpler Setup: Lucene does not require a server or cluster setup. It can be embedded as a library in the application.
Apache Lucene is a powerful, open-source search library written in Java. It provides the core functionality for indexing and searching text, which means it…