[jira] [Created] (KAFKA-19228) Formatting with `--no-initial-controllers` flag should not write kraft version control record

["Kevin Wu (Jira)" <ji...@apache.org>]

Kevin Wu created KAFKA-19228:
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             Summary: Formatting with `--no-initial-controllers` flag should not write kraft version control record
                 Key: KAFKA-19228
                 URL: https://issues.apache.org/jira/browse/KAFKA-19228
             Project: Kafka
          Issue Type: Bug
            Reporter: Kevin Wu
            Assignee: Kevin Wu


The current implementation of this flag will write a kraft version control record to the node's log with a value of 1. However, this is not exactly correct. KRaft version 1 means the voter set is discoverable from the log, but here we have KRaft version 1 but no voter set yet on this node.

The intention of setting this flag is to indicate the cluster is bootstrapped with a voter set, and therefore should essentially be a no-op (i.e. it should not write this version record). This is important because this means a cluster with kraft version 0 that discovers the voter set via the `controller.quorum.voters` static config can also be formatted with this flag set without throwing an error.



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