Topic name strategy
TopicNameStrategy is a Schema Registry subject-naming strategy that derives separate key and value subjects from a Kafka topic name.
Kafka Streams in Action, Second Edition
TopicNameStrategy is a Schema Registry subject naming strategy that derives separate key and value subject names from a Kafka topic name.
- How it is used
- Scopes key and value schemas to Kafka topics for default Schema Registry registration and compatibility enforcement.
- How deep it goes
- Explains subject naming, topic-level type constraints, cross-topic schema independence, and schema-reference composition, but defers client implementation details.
- Examples
- Uses key/value subject names, event-type-named topics, and a retailer’s PlaneEvent, TruckEvent, and DeliveryEvent union.
- What you can do after
- Apply it via Schema Registry by deriving <topic>-key and <topic>-value subjects and choosing references when one topic needs related event types.
Read how Kafka Streams in Action, Second Edition explains topic name strategy →
Kafka for Architects
TopicNameStrategy is a Schema Registry subject-naming strategy that groups schema versions by Kafka topic and message component.
- How it is used
- Groups compatible schema versions by Kafka topic and message component.
- How deep it goes
- Defines subject naming, value and key conventions, cross-topic separation, and REST version addressing.
- Examples
- Uses ClientEvent on CLIENTS with CLIENTS-value and contrasts registration on PERSONS with PERSONS-value.
- What you can do after
- Evaluate topic-scoped schema registration and retrieve a specific schema version through the Schema Registry REST API.
Read how Kafka for Architects explains topic name strategy →
Related concepts
- schema referenceused by · A schema reference is a link from one schema to another schema definition, enabling reuse of shared data-structure definitions.
- subject name strategykind of · A subject name strategy is a rule that determines how Schema Registry subject names are derived and therefore where compatibility is checked.
- subjectuses · A subject is a Schema Registry identifier that groups versions of a schema governing a particular event type, topic, or key or value stream.
- topic record name strategycontrasts with · TopicRecordNameStrategy is a Schema Registry subject-naming strategy that derives subjects from a Kafka topic name and a record’s fully qualified name.
- topicuses · A topic is a named messaging destination or stream to which producers publish messages or records and from which consumers receive or read them.
- schema registryused by · A schema registry is a service that stores, versions, and provides schemas for structured data, often validating compatibility between schema versions.
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