Under-the-Hood: ClickHouse Incremental Materialized Views and Dictionaries

Maruthi Lokanathan, Solution Architect at ClickHouse

Derek Chia, Principal TAM Architect at ClickHouse This talk explores how organizations use ClickHouse Materialized Views and Dictionaries to transform, enrich, and aggregate streaming data on ingest, enabling high-performance personalization, operational dashboards, and anomaly detection while reducing ETL overhead and infrastructure costs.

Topics include:

• How Materialized Views simplify real-time pipelines by replacing complex ETL with ingest-time transformations.
• Understand how Dictionaries and multi-stage MV patterns enrich and aggregate streaming data for millisecond-speed analytics.
• Explore proven architectural approaches and best practices for building scalable, real-time applications on ClickHouse.
• Discover optimization strategies that lower infrastructure costs while accelerating time-to-insight for high-volume workloads.