rajinisivaram commented on a change in pull request #9434:
URL: https://github.com/apache/kafka/pull/9434#discussion_r505698143
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File path: core/src/main/scala/kafka/cluster/Partition.scala
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@@ -1162,6 +1162,13 @@ class Partition(val topicPartition: TopicPartition,
localLog.fetchOffsetSnapshot
}
+ def hasDivergingEpoch(currentLeaderEpoch: Optional[Integer],
+ lastFetchedEpoch: Int,
+ fetchOffset: Long): Boolean = {
+ val epochEndOffset = lastOffsetForLeaderEpoch(currentLeaderEpoch,
lastFetchedEpoch, fetchOnlyFromLeader = false)
Review comment:
@hachikuji Thanks for the review. I took the check from
`Partition.readRecords`, but we throw exceptions there to return appropriate
errors. I was thinking we would return true here for undefined epochs because
of the check below and that would go through the other code path to return the
appropriate errors or diverging epoch. Do you think we should do the same error
handling hchecks ere as in readRecords to make the flow more obvious?
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