client_create_messages.sh

bin/kafka-console-producer.sh \
    --topic topicA \
    --bootstrap-server $BOOTSTRAP_SERVER \
    --producer.config config/client.properties

# copy and paste contents of 'sales_messages.txt' and then Ctrl+C to exit

# check for messages in topic
bin/kafka-console-consumer.sh \
    --topic topicA \
    --from-beginning --max-messages 5 \
    --property print.value=true \
    --property print.offset=true \
    --property print.partition=true \
    --property print.timestamp=true \
    --bootstrap-server $BOOTSTRAP_SERVER \
    --consumer.config config/client.properties