# consumer-group-lag

## Command Info

This tool is used to view consumer group lag information for a given consumer group.

## Command Usage

```bash
Usage of consumer-group-lag:
  -bootstrap-host string
    	kafka bootstrap host (default "localhost")
  -bootstrap-port int
    	kafka bootstrap port (default 9092)
  -client-id string
    	client-id to pass along to kafka (default "warpstream-cli")
  -enable-tls
    	dial with TLS or not
  -group string
    	the group to show lag for
  -kafka-log-level string
    	the log level to set on the kafka client, accepted values are DEBUG, INFO, WARN, ERROR (default "WARN")
  -sasl-password string
    	password for SASL authentication
  -sasl-scram
    	uses sasl scram authentication (sasl plain by default)
  -sasl-username string
    	username for SASL authentication
  -tls-client-cert-file string
    	path to the X.509 certificate file in PEM format for the client
  -tls-client-key-file string
    	path to the X.509 private key file in PEM format for the client
  -tls-server-ca-cert-file string
    	path to the X.509 certificate file in PEM format for the server certificate authority. If not specified, the host's root certificate pool will be used for server certificate verification.
```

## Example

```bash
$ warpstream cli-beta consumer-group-lag -group my-group

GROUP    TOPIC PARTITION CURRENT-OFFSET LOG-END-OFFSET LAG OWNER
my-group foo   0         6              6              0   console-consumer-0/192.168.127.1
```


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