Cdc on Nikita Ryanov

Different ways to setup CDC

Wed, 31 Dec 2025 04:30:00 +0300

CDC is an important part of data processing. Using CDC you can achieve many goals from simple data replication to audit and complex ETL jobs. But implementing CDC is still a tough task (especially when considering not only happy-path). In this article I want to show different ways of implementing CDC. Also, I’ll try to not only show how to setup each variant, but also compare them with each other and highlight pros and cons of each option.

PostgreSQL: Log-based CDC using debezium

Fri, 10 May 2024 04:30:00 +0300

In this little article I’ll show different ways to set up debezium for log-based CDC. Before diving into details about debezium, I’ll shortly describe CDC and why it may be helpful in some tasks.

CDC: Change Data Capture

In the Internet the CDC is described as a design pattern which allows to track data changes (deltas). Let’s consider this approach on table user_balances. Initial state of table is: