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https://issues.apache.org/jira/browse/KAFKA-8002?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Jason Gustafson resolved KAFKA-8002.
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Resolution: Fixed
Fix Version/s: 2.1.2
2.0.2
2.2.0
1.1.2
> Replica reassignment to new log dir may not complete if future and current
> replicas segment files have different base offsets
> -----------------------------------------------------------------------------------------------------------------------------
>
> Key: KAFKA-8002
> URL: https://issues.apache.org/jira/browse/KAFKA-8002
> Project: Kafka
> Issue Type: Bug
> Components: core
> Affects Versions: 1.1.0, 1.1.1, 2.0.0, 2.0.1, 2.1.0, 2.1.1
> Reporter: Anna Povzner
> Assignee: Bob Barrett
> Priority: Critical
> Fix For: 1.1.2, 2.2.0, 2.0.2, 2.1.2
>
>
> Once future replica fetches log end offset, the intended logic is to finish
> the move (and rename the future dir to current replica dir, etc). However,
> the check in Partition.maybeReplaceCurrentWithFutureReplica compares the
> whole LogOffsetMetadata vs. log end offset. The resulting behavior is that
> the re-assignment will not finish for topic partitions that were cleaned/
> compacted such that base offset of the last segment is different for the
> current and future replica.
> The proposed fix is to compare only log end offsets of the current and future
> replica.
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