/usr/lib/kafka/bin/kafka-verifiable-share-consumer.sh

usage: verifiable-share-consumer
       [-h] --topic TOPIC --group-id GROUP-ID [--max-messages MAX-MESSAGES] [--verbose]
       [--acknowledgement-mode ACKNOWLEDGEMENT-MODE]
       [--offset-reset-strategy OFFSET-RESET-STRATEGY] [--command-config CONFIG-FILE]
       --bootstrap-server HOST1:PORT1[,HOST2:PORT2[...]]

This tool creates a share group and  consumes  messages  from  a specific topic and emits share
consumer events (e.g. share consumer startup,  received  messages, and offsets acknowledged) as
JSON objects to STDOUT.

optional arguments:
  -h, --help             show this help message and exit
  --topic TOPIC          Consumes messages from this topic.
  --group-id GROUP-ID    The group id of the share group
  --max-messages MAX-MESSAGES
                         Consume this many messages. If  -1  (the default), the share consumers
                         will consume until the process is killed externally (default: -1)
  --verbose              Enable to log individual consumed records (default: false)
  --acknowledgement-mode ACKNOWLEDGEMENT-MODE
                         Acknowledgement mode for the share  consumers  (must be either 'auto',
                         'sync' or 'async') (default: auto)
  --offset-reset-strategy OFFSET-RESET-STRATEGY
                         Share group  offset  reset  strategy  (must  be  either  'earliest' or
                         'latest') (default: )
  --command-config CONFIG-FILE
                         Config properties  file  (config  options  shared  with  command  line
                         parameters will be overridden).

Connection Group:
  Group of arguments for connection to brokers

  --bootstrap-server HOST1:PORT1[,HOST2:PORT2[...]]
                         The server(s) to connect to. Comma-separated  list of Kafka brokers in
                         the form HOST1:PORT1,HOST2:PORT2,...