Kafka

https://medium.com/@kiranps11/kafka-and-zookeeper-multinode-cluster-setup-3511aef4a505

vi config/server.properties

listeners=PLAINTEXT://localhost:9092
log.dirs=/home/username/kafkaxxxxxx/data/kafka-logs


 vi config/zookeeper.properties
dataDir=/home/username/kafkaxxxxxx/data/zookeeper



./bin/zookeeper-server-start.sh -daemon config/zookeeper.properties
./bin/kafka-server-start.sh -daemon config/server.properties

bin/kafka-console-producer.sh --broker-list localhost:9092 --topic test
bin/kafka-console-consumer.sh --bootstrap-server localhost:9092 --from-beginning --topic test