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Posted to jira@kafka.apache.org by "Ismael Juma (JIRA)" <ji...@apache.org> on 2018/04/11 22:15:00 UTC

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

     [ https://issues.apache.org/jira/browse/KAFKA-6780?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Ismael Juma updated KAFKA-6780:
-------------------------------
    Fix Version/s: 1.1.1
                   1.2.0

> 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
>            Priority: Major
>             Fix For: 1.2.0, 1.1.1
>
>
> 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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