Provides a Schema Registry Service that interacts with a Hortonworks Schema Registry, available at https://github.com/hortonworks/registry


schema, registry, avro, hortonworks, hwx


In the list below, the names of required properties appear in bold. Any other properties (not in bold) are considered optional. The table also indicates any default values, and whether a property supports the NiFi Expression Language.

NameDefault ValueAllowable ValuesDescription
Schema Registry URLURL of the schema registry that this Controller Service should connect to, including version. For example, http://localhost:9090/api/v1
Supports Expression Language: true (will be evaluated using variable registry only)
Cache Size1000Specifies how many Schemas should be cached from the Hortonworks Schema Registry
Cache Expiration1 hourSpecifies how long a Schema that is cached should remain in the cache. Once this time period elapses, a cached version of a schema will no longer be used, and the service will have to communicate with the Hortonworks Schema Registry again in order to obtain the schema.

State management:

This component does not store state.


This component is not restricted.

System Resource Considerations:

None specified.