MongoDB to ClickHouse® CDC with Debezium 3.5 and Kafka 4: A Complete Beginner's Guide
Step-by-step tutorial to stream live changes from MongoDB to ClickHouse® using Debezium 3.5, Apache Kafka 4, and the ClickHouse Kafka Connect Sink. Real Docker Compose setup, replica set and change streams configuration, flattening nested documents into columns, and a ReplacingMergeTree design that handles inserts, updates, and deletes.
Reshma MJune 21, 202613 min read