Tutorials

Short, focused walkthroughs of the LeanLucene API. Each page is high-level and links into the API reference for full signatures.

Getting Started

• Installation and first index
• Field types
• Writer configuration

Analysis

• Built-in analysers
• Token filters and custom pipelines
• Stop words and the token budget

Searching

• Query types overview
• Boolean queries
• Phrase and proximity
• The query parser
• Boosting and scoring
• Sorting

Advanced

• Aggregations
• Spelling suggestions
• Highlighting
• Reciprocal rank fusion
• Vector search
• Block-join (nested documents)
• More like this
• Filtered vector search

Concurrency and Near Real Time

• Searcher manager
• Concurrent indexing
• Snapshots and deletion policies
• Refresh failures

Index Management

• Update and delete
• Schema validation
• Validation and recovery

Observability

• Metrics
• Slow query log
• Search analytics
• OpenTelemetry
• Aspire dashboard

Tips and How-to

• Stored field compression
• Query cache
• Benchmarking