Jason Gustafson created KAFKA-14618:
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Summary: Off by one error in generated snapshot IDs causes
misaligned fetching
Key: KAFKA-14618
URL: https://issues.apache.org/jira/browse/KAFKA-14618
Project: Kafka
Issue Type: Bug
Reporter: Jason Gustafson
Assignee: Jason Gustafson
Fix For: 3.4.0
We implemented new snapshot generation logic here:
[https://github.com/apache/kafka/pull/12983.] A few days prior to this patch
getting merged, we had changed the `RaftClient` API to pass the _exclusive_
offset when generating snapshots instead of the inclusive offset:
[https://github.com/apache/kafka/pull/12981.] Unfortunately, the new snapshot
generation logic was not updated accordingly. The consequence of this is that
the state on replicas can get out of sync. In the best case, the followers fail
replication because the offset after loading a snapshot is no longer aligned on
a batch boundary.
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