Joel Koshy created KAFKA-1379:
---------------------------------

             Summary: 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
            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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