Important Warning

Update July 2016: This Tech Preview documentation from March 2016 is outdated and deprecated. Please use the latest Confluent Platform documentation instead.

Configuration OptionsΒΆ

kafkastore.connection.url

Zookeeper url for the Kafka cluster

  • Type: string
  • Default: “”
  • Importance: high
avro.compatibility.level

The Avro compatibility type. Valid values are: none (new schema can be any valid Avro schema), backward (new schema can read data produced by latest registered schema), forward (latest registered schema can read data produced by the new schema), full (new schema is backward and forward compatible with latest registered schema)

  • Type: string
  • Default: “backward”
  • Importance: high
kafkastore.topic

The durable single partition topic that acts as the durable log for the data

  • Type: string
  • Default: “_schemas”
  • Importance: high
kafkastore.topic.replication.factor

The desired replication factor of the schema topic. The actual replication factor will be the smaller of this value and the number of live Kafka brokers.

  • Type: int
  • Default: 3
  • Importance: high
response.mediatype.default

The default response media type that should be used if no specify types are requested in an Accept header.

  • Type: string
  • Default: “application/vnd.schemaregistry.v1+json”
  • Importance: high
response.mediatype.preferred

An ordered list of the server’s preferred media types used for responses, from most preferred to least.

  • Type: list
  • Default: [application/vnd.schemaregistry.v1+json, application/vnd.schemaregistry+json, application/json]
  • Importance: high
kafkastore.commit.interval.ms

The interval to commit offsets while consuming the Kafka topic

  • Type: int
  • Default: -1
  • Importance: medium
kafkastore.init.timeout.ms

The timeout for initialization of the Kafka store, including creation of the Kafka topic that stores schema data.

  • Type: int
  • Default: 60000
  • Importance: medium
kafkastore.timeout.ms

The timeout for an operation on the Kafka store

  • Type: int
  • Default: 500
  • Importance: medium
master.eligibility

If true, this node can participate in master election. In a multi-colo setup, turn this offfor clusters in the slave data center.

  • Type: boolean
  • Default: true
  • Importance: medium
access.control.allow.origin

Set value for Jetty Access-Control-Allow-Origin header

  • Type: string
  • Default: “”
  • Importance: low
debug

Boolean indicating whether extra debugging information is generated in some error response entities.

  • Type: boolean
  • Default: false
  • Importance: low
host.name

The host name advertised in Zookeeper

  • Type: string
  • Default: “localhost”
  • Importance: low
kafkastore.zk.session.timeout.ms

Zookeeper session timeout

  • Type: int
  • Default: 30000
  • Importance: low
metric.reporters

A list of classes to use as metrics reporters. Implementing the <code>MetricReporter</code> interface allows plugging in classes that will be notified of new metric creation. The JmxReporter is always included to register JMX statistics.

  • Type: list
  • Default: []
  • Importance: low
metrics.jmx.prefix

Prefix to apply to metric names for the default JMX reporter.

  • Type: string
  • Default: “kafka.schema.registry”
  • Importance: low
metrics.num.samples

The number of samples maintained to compute metrics.

  • Type: int
  • Default: 2
  • Importance: low
metrics.sample.window.ms

The metrics system maintains a configurable number of samples over a fixed window size. This configuration controls the size of the window. For example we might maintain two samples each measured over a 30 second period. When a window expires we erase and overwrite the oldest window.

  • Type: long
  • Default: 30000
  • Importance: low
port

Port to listen on for new connections.

  • Type: int
  • Default: 8081
  • Importance: low
request.logger.name

Name of the SLF4J logger to write the NCSA Common Log Format request log.

  • Type: string
  • Default: “io.confluent.rest-utils.requests”
  • Importance: low
schema.registry.zk.namespace

The string that is used as the zookeeper namespace for storing schema registry metadata. SchemaRegistry instances which are part of the same schema registry service should have the same ZooKeeper namespace.

  • Type: string
  • Default: “schema_registry”
  • Importance: low
shutdown.graceful.ms

Amount of time to wait after a shutdown request for outstanding requests to complete.

  • Type: int
  • Default: 1000
  • Importance: low