Search

Overview

Search functionality is a critical component of modern applications, enabling users to find relevant content quickly. This skill covers Elasticsearch fundamentals, full-text search patterns, indexing strategies, and advanced features like faceted search and autocomplete.

Key Concepts

Elasticsearch Fundamentals

Elasticsearch is a distributed search and analytics engine built on Apache Lucene.

Core Components:

• Index: A collection of documents with similar characteristics
• Document: A JSON object that is indexed and searchable
• Mapping: Schema definition for documents in an index
• Shard: A subdivision of an index for horizontal scaling
• Replica: Copy of a shard for redundancy and read scaling