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Posted to jira@kafka.apache.org by "John Roesler (JIRA)" <ji...@apache.org> on 2019/05/13 15:02:00 UTC

[jira] [Assigned] (KAFKA-8347) Choose next record to process by timestamp

     [ https://issues.apache.org/jira/browse/KAFKA-8347?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

John Roesler reassigned KAFKA-8347:
-----------------------------------

    Assignee: Sophie Blee-Goldman

> Choose next record to process by timestamp
> ------------------------------------------
>
>                 Key: KAFKA-8347
>                 URL: https://issues.apache.org/jira/browse/KAFKA-8347
>             Project: Kafka
>          Issue Type: Improvement
>          Components: streams
>            Reporter: Sophie Blee-Goldman
>            Assignee: Sophie Blee-Goldman
>            Priority: Major
>
> Currently PartitionGroup will determine the next record to process by choosing the partition with the lowest stream time. However if a partition contains out of order data its stream time may be significantly larger than the timestamp of the next record. The next record should instead be chosen as the record with the lowest timestamp across all partitions, regardless of which partition it comes from or what its partition time is.



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