What is Elasticsearch? - Deepstash
Elasticsearch and Lucene

Elasticsearch is a distributed search and analytics engine, built on top of Lucene. It provides a JSON-based REST API and supports sharding, replication, and cluster management, fo...

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What is Elasticsearch?

elastic.co

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Common use cases
  • Adding search to an application or website
  • Logging and log analytics
  • Application performance monitoring
  • Infrastructure monitoring

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Performance
  • Fast full-text search - Because it's built on top of Lucene
  • Near real-time indexing - It takes under 1s for newly indexed documents to show up in sear...

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Indexing data

When you add data to Elasticsearch, it is analyzed (parsed, normalized, and enriched), and stored into an inverted index.

The inverted index is a data structure designed for ...

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