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Include or exclude topics in a replication flow

When you define a replication flow, specify which topics in the source Apache Kafka® cluster to include or exclude from the cross-cluster replica.

Use the Topics field to define the topics to include. You can enter a list of regular expressions in Java format. If you leave Topics empty, MirrorMaker 2 uses .* and includes all topics.

Use the Topic blacklist field to define the topics to exclude. To exclude internal topics, click Internal topics, which adds these patterns: .*[\-\.]internal, .*\.replica, and __.*.

Example: Include and exclude topics​

To replicate the warehouse.operations topic and any topic that starts with customer., but exclude the customer.support topic, use these values:

  • Topics: customer\..* and warehouse\.operations
  • Topic blacklist: customer\.support