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Change data capture is a powerful technique for consuming data from a database. Modern solutions like Debezium leverage native WAL abstractions like MySQL binlog or Postgres replication slots to get data reliably and fast. CDC Connectors for Apache Flink is an open-source project that provides tools like Debezium in native Flink source APIs, so it can be easily used in any Flink project. This blog post contains the lessons learned regarding working around some of the Flink CDC limitations and how they affect the overall Flink application design, as well as different gotchas related to the connector setup and configuration.

Table of Contents Don’t Fear Outdated Caches – Change Data Capture to the Rescue! Change Data Streaming Patterns in Distributed Systems Analyzing Real-time Order Deliveries using CDC with Debezium and …