Specifies the Controller Service to use for the Schema Registry
This Property is only considered if the [Schema Access Strategy] Property is set to one of the following values: [Use 'Schema Name' Property]
Schema Name
schema-name
${schema.name}
Specifies the name of the schema to lookup in the Schema Registry property Supports Expression Language: true (will be evaluated using flow file attributes and Environment variables)
This Property is only considered if the [Schema Access Strategy] Property has a value of "Use 'Schema Name' Property".
Schema Version
schema-version
Specifies the version of the schema to lookup in the Schema Registry. If not specified then the latest version of the schema will be retrieved. Supports Expression Language: true (will be evaluated using flow file attributes and Environment variables)
This Property is only considered if the [Schema Access Strategy] Property has a value of "Use 'Schema Name' Property".
Schema Branch
schema-branch
Specifies the name of the branch to use when looking up the schema in the Schema Registry property. If the chosen Schema Registry does not support branching, this value will be ignored. Supports Expression Language: true (will be evaluated using flow file attributes and Environment variables)
This Property is only considered if the [Schema Access Strategy] Property has a value of "Use 'Schema Name' Property".
Schema Text
schema-text
${avro.schema}
The text of an Avro-formatted Schema Supports Expression Language: true (will be evaluated using flow file attributes and Environment variables)
This Property is only considered if the [Schema Access Strategy] Property has a value of "Use 'Schema Text' Property".
Service implementation responsible for reading FlowFile attributes or content to determine the Schema Reference Identifier
This Property is only considered if the [Schema Access Strategy] Property
Compression Format
compression-format
NONE
BZIP2
DEFLATE
NONE
SNAPPY
LZO
Compression type to use when writing Avro files. Default is None.
Cache Size
cache-size
1000
Specifies how many Schemas should be cached
Encoder Pool Size
encoder-pool-size
32
Avro Writers require the use of an Encoder. Creation of Encoders is expensive, but once created, they can be reused. This property controls the maximum number of Encoders that can be pooled and reused. Setting this value too small can result in degraded performance, but setting it higher can result in more heap being used. This property is ignored if the Avro Writer is configured with a Schema Write Strategy of 'Embed Avro Schema'. Supports Expression Language: true (will be evaluated using Environment variables only)