Jiangjie Qin created KAFKA-1979:
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Summary: LogCleaner delete file asynchronously and can cause
inconsistency between log cleaner checkpoint and first dirty log segment file.
Key: KAFKA-1979
URL: https://issues.apache.org/jira/browse/KAFKA-1979
Project: Kafka
Issue Type: Bug
Reporter: Jiangjie Qin
In LogCleaner we delete the log segment file asynchronously and then checkpoint
the cleaned offsets. If broker exit after checkpoint is written but before log
segment got deleted, when the broker start again, it will have the first dirty
log offset different from the check-pointed offset.
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