THIS IS A TEST INSTANCE. ALL YOUR CHANGES WILL BE LOST!!!!
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To protect against this eventuality, if the controller receives a Broker Registration it will increment the Leader Epoch and propagate that value to the broker via the Leader and ISR Request (in the normal way). This mechanism will also be affected by the bug: Jira server ASF JIRA serverId 5aa69414-a9e9-3523-82ec-879b028fb15b key KAFKA-1120 which which is not addressed directly in the initial version of this KIP.
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