Apache Lucene

Apache Lucene

Apache Lucene is a free and open-source search engine software library written in Java. It is used to perform high-speed text search and provides indexing and search features.
Apache Lucene image
java search indexing fulltext-search

Apache Lucene: Free and Open-Source Search Engine Software Library

A high-speed text search library written in Java, providing indexing and search features for a scalable and efficient search solution.

What is Apache Lucene?

Apache Lucene is a full-featured text search engine library developed by the Apache Software Foundation and written in Java.

It provides capabilities for full-text indexing and searching, hit highlighting, faceted search, sorting search results, and advanced analysis/tokenization capabilities.

Some of the key features of Lucene include:

  • Flexibility to index and search any documents such as PDFs, HTML, XML, Microsoft Office documents, and text files
  • Support for multiple languages using Unicode
  • Powerful and fast search with ranking and highlighting of search terms
  • Ability to scale from small to large data sets
  • APIs for all major programming languages like Java, .NET, C++, Python, Ruby
  • Integration capabilities with databases, content management systems, and applications
Apache Lucene is developed using open development methods with an active community. It is free to download and use for commercial or non-commercial applications under an Apache Software License. Many companies use Lucene for building search solutions or to support search capabilities within their applications.

Apache Lucene Features

Features

  1. Full-text search
  2. Hit highlighting
  3. Advanced analysis/tokenization
  4. Customizable scoring
  5. Index replication
  6. Scalability and fault tolerance

Pricing

  • Open Source

Pros

Powerful search capabilities

Flexible and customizable

High performance

Scales well

Reliable

Free and open source

Cons

Steep learning curve

Not as user friendly as some alternatives

Limited documentation and support

Requires expertise in Java and search algorithms


The Best Apache Lucene Alternatives

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Elasticsearch icon

Elasticsearch

Elasticsearch is an open source, distributed, RESTful search and analytics engine built on Apache Lucene. It is used for full-text search, structured search, analytics, and all three in combination.Key features of Elasticsearch include:Distributed and highly scalable - can scale to hundreds of servers and petabytes of structured and unstructured dataReal-time...
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OpenSearch

OpenSearch is an open source search engine software project that provides full text search, analytics, and other capabilities. It is based on Elasticsearch and Kibana and is developed under the Apache 2.0 license.Some key features and capabilities of OpenSearch include:RESTful search API - Enables searching over structured, unstructured, geo, and...
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Microsoft Bing

Microsoft Bing is a web search engine owned and operated by Microsoft. It was launched in 2009 as a competitor to other major search engines like Google and Yahoo.Bing allows users to search the web for information, images, videos, and more. It utilizes advanced algorithms and machine learning to provide...
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