Exploring Flink CDC
Read OriginalThis article explores Apache Flink CDC, a project for Change Data Capture (CDC) within Apache Flink. It explains Flink CDC's two main features: declarative pipeline connectors defined in YAML and a set of CDC source connectors. The post highlights how the declarative pipelines automate complex tasks like schema evolution and primary key handling, using a MySQL-to-Elasticsearch sync as a practical example. It discusses the technology's origins, its place in a data engineer's toolkit, and its support for SQL, PyFlink, and Java.
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