Kafka Connect, ksqlDB, and Kafka Tombstone messages
Read OriginalThis article explains the concept of Kafka tombstone messages (null-value messages) for logical record deletion. It provides a step-by-step tutorial on setting up a PostgreSQL source, using Kafka Connect for ingestion, and employing ksqlDB to process and apply tombstone semantics for hard deletions in a sink like Elasticsearch, despite lacking first-class support.
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