[jira] [Commented] (KAFKA-1379) Partition reassignment resets clock for time-based retention

["Andrew Olson (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/KAFKA-1379?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16065471#comment-16065471 ] 

Andrew Olson commented on KAFKA-1379:
-------------------------------------

[~hachikuji] Jason, could you confirm if this bug has been fixed? According to http://kafka.apache.org/documentation.html#upgrade_10_1_breaking it appears so.

> Partition reassignment resets clock for time-based retention
> ------------------------------------------------------------
>
>                 Key: KAFKA-1379
>                 URL: https://issues.apache.org/jira/browse/KAFKA-1379
>             Project: Kafka
>          Issue Type: Bug
>          Components: log
>            Reporter: Joel Koshy
>
> Since retention is driven off mod-times reassigned partitions will result in
> data that has been on a leader to be retained for another full retention
> cycle. E.g., if retention is seven days and you reassign partitions on the
> sixth day then those partitions will remain on the replicas for another
> seven days.



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