THIS IS A TEST INSTANCE. ALL YOUR CHANGES WILL BE LOST!!!!
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The below diagram gives a brief overview of the interaction between leader, follower, and remote log and metadata storages. It will be described more in detail in the next section.
- Leader copies log segments with the auxiliary state(includes leader epoch cache and producer-id snapshots) to remote storage.
- Leader publishes remote log segment metadata about the copied remote log segment,
- Follower tries to fetch the messages from the leader and follows the protocol mentioned in detail in the next section.
- Follower waits till it catches up consuming the required remote log segment metadata.
- Follower fetches the respective remote log segment metadata to build auxiliary state.
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