Kafka Producer Key & Message Acknowledgements 

Reference Code: ------------------------------- Start Zookeeper: --------------------------------------- F:/kafka_2.12-3.2.0/bin/windows/zookeeper-server-start.bat F:/kafka_2.12-3.2.0/config/zookeeper.properties Start Kafka-server: ----------------------------------------- F:/kafka_2.12-3.2.0/bin/windows/kafka-server-start.bat F:/kafka_2.12-3.2.0/config/server.properties Create topic: ------------------------------------ F:/kafka_2.12-3.2.0/bin/windows/kafka-topics.bat --create --topic hello_world2 --bootstrap-server localhost:9092 --replication-factor 1 --partitions 2 Start Producer: -------------------------------------- Earlier we were launching producer using this command -- F:/kafka_2.12-3.2.0/bin/windows/kafka-console-producer.bat --topic hello_world2 --bootstrap-server localhost:9092 Now to send the messages and key-value pair , we are going to launch producer using this command -- F:/kafka_2.12-3.2.0/bin/windows/kafka-console-producer.bat --bootstrap-server localhost:9092 --property "parse.key=true" --property "key.separator=:" --topic hello_world2 Publish the messages -- 1001:"Mobile,100" 1002:"Mouse,50" 1001:"Computer,1500" 1003:"Pen,2" 1002:"Earphone,65" 1001:"Notebook,99" Start Consumer: ------------------------------------- F:/kafka_2.12-3.2.0/bin/windows/kafka-console-consumer.bat --topic hello_world2 --from-beginning --bootstrap-server localhost:9092

best Apache Kafka tutorial I saw so far!

loving your kafka series so far. Best on the platform with your theory and real examples.

Very good ! nicely explained !

Will you cover ssl and tls in kafka and also multinode cluster?