Elasticsearch Core Concepts
Learn about key Elasticsearch components such as nodes, clusters, indices, types, documents, and shards, and how they interact.
Welcome to Core Concepts!
Let's master Elasticsearch's core concepts: clusters, nodes, indices, documents, and the shards and replicas that make it scale.
The Heart: Elasticsearch Cluster
An Elasticsearch cluster is one or more nodes that together hold all your data and serve indexing and search as a single, unified system.
All lessons in this course
- What is Full-Text Search?
- Elasticsearch Core Concepts
- Setting Up Your First Cluster
- Analyzers, Tokenizers, and the Inverted Index