Elasticsearch

Three Elasticsearch highlighter methods including Unified, Plain, and FVH, along with efficient offset strategies using Postings List and Term Vectors

Comparing Elasticsearch pagination methods including From/Size, Search After, and Scroll, with stable paging implementation using PIT (Point In Time)

Comparing Elasticsearch autocomplete implementation methods like Edge N-Gram, Search-as-you-type, and Completion Suggester with guidelines for optimal choices

Execution order of Query, Filter, PostFilter in Elasticsearch and their impact on Aggregation

Types and configuration methods of Token Filters that compose Elasticsearch Analyzer.

Various types and configuration methods of Tokenizers that compose Elasticsearch Analyzer

Various types and configuration methods of Character Filters that compose Elasticsearch Analyzer

Explore Elasticsearch fundamentals, the ELK stack, comparison with RDB, and core architecture including clusters, nodes, and shards.