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Posted to dev@kafka.apache.org by "Jun Rao (JIRA)" <ji...@apache.org> on 2018/04/11 22:13:00 UTC

[jira] [Created] (KAFKA-6780) log cleaner shouldn't clean messages beyond high watermark

Jun Rao created KAFKA-6780:
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             Summary: log cleaner shouldn't clean messages beyond high watermark
                 Key: KAFKA-6780
                 URL: https://issues.apache.org/jira/browse/KAFKA-6780
             Project: Kafka
          Issue Type: Bug
    Affects Versions: 1.1.0
            Reporter: Jun Rao


Currently, the firstUncleanableDirtyOffset computed by the log cleaner is bounded by the first offset in the active segment. It's possible for the high watermark to be smaller than that. This may cause a committed record to be removed because of an uncommitted record.



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