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ElasticSearch - Coggle Diagram
ElasticSearch
Concepts
What is ElasticSearch?
Search engine
Analytics engine
Distributed
Architecture
Cluster
Node
Shard
Replicas
Index
Collections of similar documents
Document
Smallest unit of information stored in ElasticSearch
Mapping
Schema
Communication with ElasticSearch
RESTful API
JSON over HTTP
Important things to know
Data in ElasticSearch is immutable - need to create new data, not edit it