In the Kafka heap size section, it is mentioned as 4 GB is the ideal one, but in the example, it is given as 16 GB, please see below: Try to keep the Kafka Heap size below 4GB. Example: In kafka-env.sh add following settings. export KAFKA_HEAP_OPTS="-Xmx16g -Xms16g" Could you please confirm if ideal heap size for Kafka is 4 GB or 16 GB? ... View more