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## `KAFKA_CLIENT_RACK_ENV_VAR`

Option | `KAFKA_CLIENT_RACK_ENV_VAR`
Description | Finds the name of the variable that holds the value of `client.rack`.
Introduced Version | 1.86.0
Default | `ZONE`

If `KAFKA_CLIENT_RACK` is not configured, LogScale can read the `client.rack` value from another environment variable (the default variable is `ZONE`). `KAFKA_CLIENT_RACK_ENV_VAR` is used to tell LogScale the name of that other environment variable.

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