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https://issues.apache.org/jira/browse/KAFKA-7021?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16513969#comment-16513969
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Guozhang Wang commented on KAFKA-7021:
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Cherry-picked the bug fix to 0.10.2, 0.11.0, 1.0, 1.1.
> Source KTable checkpoint is not correct
> ---------------------------------------
>
> Key: KAFKA-7021
> URL: https://issues.apache.org/jira/browse/KAFKA-7021
> Project: Kafka
> Issue Type: Bug
> Components: streams
> Affects Versions: 0.10.0.0
> Reporter: Matthias J. Sax
> Assignee: Guozhang Wang
> Priority: Major
> Fix For: 0.10.2.2, 2.0.0, 0.11.0.3, 1.0.2, 1.1.1
>
>
> Kafka Streams treats source KTables,ie, table created via `builder.table()`,
> differently. Instead of creating a changelog topic, the original source topic
> is use to avoid unnecessary data redundancy.
> However, Kafka Streams does not write a correct local state checkpoint file.
> This results in unnecessary state restore after a rebalance. Instead of the
> latest committed offset, the latest restored offset is written into the
> checkpoint file in `ProcessorStateManager#close()`
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