davidamitchell / go_green_screens

Kafka notes

Install

brew install kafka

Start zookeeper

zookeeper-server-start /usr/local/etc/kafka/zookeeper.properties & kafka-server-start /usr/local/etc/kafka/server.properties

Create a topic

kafka-topics --create --zookeeper localhost:2181 --replication-factor 1 --partitions 1 --topic some-topic

List topics

kafka-topics --list --zookeeper localhost:2181

Consume a topic

kafka-console-consumer --bootstrap-server localhost:9092 --topic some-topic --from-beginning

Write a message to a topic

echo hi | kafka-console-producer --broker-list localhost:9092 --topic some-topic

Needed env vars

export KAFKA_HOST=localhost
export KAFKA_PORT=9092
export DB_CONNECTION_STRING=dbname=greenscreen_dev user=765440 sslmode=disable