Ignore the above message. Went over the Kafka message definition README
<https://github.com/apache/kafka/blob/trunk/clients/src/main/resources/common/message/README.md>
guide and learnt about the tagged fields.

On Tue, Jun 11, 2024 at 10:32 PM Kamal Chandraprakash <
kamal.chandraprak...@gmail.com> wrote:

> Hi,
>
> We have defined the remote log segment metadata schemas with type as
> "metadata" (controller records) in #10271
> <https://github.com/apache/kafka/pull/10271>:
>
> 1. RemoteLogSegmentMetadataRecord.json
> <https://github.com/apache/kafka/blob/trunk/storage/src/main/resources/message/RemoteLogSegmentMetadataRecord.json>
> 2. RemoteLogSegmentMetadataSnapshotRecord.json
> <https://github.com/apache/kafka/blob/trunk/storage/src/main/resources/message/RemoteLogSegmentMetadataSnapshotRecord.json>
> 3. RemoteLogSegmentMetadataUpdateRecord.json
> <https://github.com/apache/kafka/blob/trunk/storage/src/main/resources/message/RemoteLogSegmentMetadataUpdateRecord.json>
> and
> 4. RemotePartitionDeleteMetadataRecord.json
> <https://github.com/apache/kafka/blob/trunk/storage/src/main/resources/message/RemotePartitionDeleteMetadataRecord.json>
>
> In the future, when the schema gets evolved, then the backward
> compatibility might get broken. The broker with the old
> schema will fail to read new events and throw UnsupportedVersionException.
> This also means that we cannot rollback
> the build once some segments are uploaded to the remote storage with the
> new schema events.
>
> Let me know if my understanding is not correct.
> --
> Kamal
>
>
>
>

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