---
title: "Discussion on \"How Apache Lucene Works: The Engine Behind Elasticsearch\" | Hashnode"
description: "Discussion on \"How Apache Lucene Works: The Engine Behind Elasticsearch\". Elasticsearch and Solr are built on Lucene. We explain the Inverted Index, Segments, and TF-IDF scoring."
url: "https://hashnode.com/posts/how-lucene-works/69ae3627fa75b812d26fc59d"
---

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# [How Apache Lucene Works: The Engine Behind Elasticsearch](https://abstractalgorithms.hashnode.dev/how-lucene-works?utm_source=hashnode&utm_medium=feed)

Elasticsearch and Solr are built on Lucene. We explain the Inverted Index, Segments, and TF-IDF scoring.

Mar 9 · 15 min read · abstractalgorithms.hashnode.dev  
Updated Jun 18  
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-   [#elasticsearch](https://hashnode.com/tag/elasticsearch)
-   [#inverted-index](https://hashnode.com/tag/inverted-index)
-   [#lucene](https://hashnode.com/tag/lucene)
-   [#search-engine](https://hashnode.com/tag/search-engine)
-   [#system-design](https://hashnode.com/tag/system-design)

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