Kafka MirrorMaker 2 not picking up group ID and offset, resetting to latest despite setting auto.offset.reset to earliest

Kafka Connect
1

am in the process of setting up an active-passive Kafka cluster and am using MirrorMaker 2 (MM2) for replicating topics between the source and destination clusters. My setup includes:

  • Source Cluster: Kafka brokers running with SSL in Kraft mode.
  • Destination Cluster: Kafka brokers running with SSL in Kraft mode.
  • MirrorMaker 2: Running on a separate VM.

I am trying to replicate an existing topic from the source cluster to the destination cluster. However, I am encountering an issue where MirrorMaker 2 is not respecting the group ID and offset configurations. Instead, it seems to be resetting the offsets to the latest even though I have explicitly set auto.offset.reset to earliest in my configuration.

Here is the configuration I am setting

consumer.group.id=mirrormaker2_consumer
consumer.offset.reset = earliest

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