Elasticsearch Search Engine

  1. Fundamental Concepts and Architecture
    1. Document Model
      1. JSON Document Structure
        1. Document Fields and Values
          1. Document Metadata
            1. Document ID
              1. Document Type
                1. Document Version
                  1. Document Source
                  2. Document Immutability Concept
                  3. Index Structure
                    1. Index Definition and Purpose
                      1. Index Naming Conventions
                        1. Index vs Database Table Comparison
                          1. Index Lifecycle Stages
                            1. Index Settings and Configuration
                            2. Mapping System
                              1. Schema Definition Concept
                                1. Dynamic Mapping Behavior
                                  1. Explicit Mapping Configuration
                                    1. Mapping Evolution and Updates
                                      1. Field Data Types
                                        1. Text Fields
                                          1. Keyword Fields
                                            1. Numeric Data Types
                                              1. Integer Types
                                                1. Floating Point Types
                                                  1. Scaled Float
                                                  2. Date and Time Fields
                                                    1. Boolean Fields
                                                      1. Binary Fields
                                                        1. Object Fields
                                                          1. Nested Object Fields
                                                            1. Geo-Point Fields
                                                              1. Geo-Shape Fields
                                                                1. IP Address Fields
                                                                  1. Range Fields
                                                                2. Inverted Index Mechanics
                                                                  1. Inverted Index Structure
                                                                    1. Term Analysis and Tokenization
                                                                      1. Term Dictionary
                                                                        1. Postings Lists
                                                                          1. Term Frequencies
                                                                            1. Document Frequencies
                                                                              1. Impact on Search Performance
                                                                                1. Index Segments
                                                                                2. Cluster Architecture
                                                                                  1. Cluster Formation Concepts
                                                                                    1. Cluster State Management
                                                                                      1. Master Election Process
                                                                                        1. Cluster Coordination
                                                                                          1. Split-Brain Prevention
                                                                                          2. Node Architecture
                                                                                            1. Node Types and Roles
                                                                                              1. Master-Eligible Nodes
                                                                                                1. Data Nodes
                                                                                                  1. Ingest Nodes
                                                                                                    1. Coordinating Nodes
                                                                                                      1. Machine Learning Nodes
                                                                                                        1. Transform Nodes
                                                                                                          1. Voting-Only Nodes
                                                                                                          2. Node Configuration
                                                                                                            1. Node Discovery Process
                                                                                                              1. Node Communication
                                                                                                              2. Shard Architecture
                                                                                                                1. Sharding Fundamentals
                                                                                                                  1. Primary Shards
                                                                                                                    1. Shard Count Determination
                                                                                                                      1. Primary Shard Limitations
                                                                                                                      2. Replica Shards
                                                                                                                        1. Replication Factor
                                                                                                                          1. Read Scaling Benefits
                                                                                                                            1. Fault Tolerance
                                                                                                                            2. Shard Allocation Process
                                                                                                                              1. Allocation Strategies
                                                                                                                                1. Shard Balancing
                                                                                                                                  1. Allocation Awareness
                                                                                                                                    1. Forced Allocation
                                                                                                                                    2. Shard Recovery
                                                                                                                                      1. Recovery Types
                                                                                                                                        1. Recovery Process
                                                                                                                                          1. Recovery Settings

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                                                                                                                                      1. Introduction to Elasticsearch

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                                                                                                                                      3. Installation and Environment Setup