launch zookeeper in kafka_2.11–2.0.0 bin/zookeeper-server-start.sh config/zookeeper.properties launch kafka server in kafka_2.11–2.0.0 bin/kafka-server-start.sh config/server.properties launch Cassandra source /Users/light0617/.bash_profile export CASSANDRA_HOME=/opt/cassandra /opt/cassandra/bin/cassandra cqlsh launch the producer and consumer to generate topics run some JAVA codes check the result in Cassandra cqlsh