Matthias J. Sax created KAFKA-7021:
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Summary: 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
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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