If you consume outside the context of a group, but still want to use Kafka to
manage offsets, you can use the kadm package
to manually commit offsets.
This contains an example that consumes records from manually assigned partitions and then commits using kadm.
If your broker is running on localhost:9092, run go run . in this directory
to see the consumer output!
-brokers can be specified to override the default localhost:9092 broker to
any comma delimited set of brokers.
-topic can be specified to set the topic to consume from
-group can be specified to set the group to commit to