confluent local kafka start


The confluent local commands are intended for a single-node development environment and are not suitable for a production environment. The data that are produced are transient and are intended to be temporary. For production-ready workflows, see Confluent Platform.


Start a local Apache Kafka instance.

confluent local kafka start [flags]


You must export the path as an environment variable for each terminal session, or set the path to your Confluent Platform installation in your shell profile. For example:

cat ~/.bash_profile
export CONFLUENT_HOME=<path-to-confluent>


--kafka-rest-port string    Kafka REST port number. (default "8082")
--plaintext-ports strings   A comma-separated list of port numbers for plaintext producer and consumer clients for brokers. If not specified, random free ports will be used.
--brokers int32             Number of brokers (between 1 and 4, inclusive) in the Confluent Local Kafka cluster. (default 1)

Global Flags

-h, --help            Show help for this command.
    --unsafe-trace    Equivalent to -vvvv, but also log HTTP requests and responses which might contain plaintext secrets.
-v, --verbose count   Increase verbosity (-v for warn, -vv for info, -vvv for debug, -vvvv for trace).

See Also