Home

Druid notes

• Build and Debug
• Query Structure
• Query Lifecycle
• Sequences and Yielders
• Custom Service
• Integration Test Analysis
• Integration Test Revisions
• Integration Tests for Extensions
• Metadata Storage
• Calcite Notes
• Calcite Integration
• Calcite Table Functions
• Clint's Filter Writeup
• Query Execution in Tests
• Aggregators for the Catalog
• Compaction Notes
• MSQ Schemaless Notes
• Tombstone Design Notes
• Segment Management Brainstorming
• Concurrent Compaction and Ingestion Analysis
• A Git-Inspired, Minimal-Lock Solution to Concurrent Ingestion and Compaction

Projects

• Query Profile (Abandoned)
• Single Process (Abandoned)
• ZooKeeper Replacement (Abandoned)
• Toward Operators (Abandoned)
• Planner Tests
• Window Functions (Abandoned)

Helpful Resources

• Try Druid

Other Notes

• Druid Query Engine Integration
• Scripts