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Posted to dev@kafka.apache.org by "Sophie Blee-Goldman (JIRA)" <ji...@apache.org> on 2019/05/10 00:00:01 UTC

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

Sophie Blee-Goldman created KAFKA-8347:
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             Summary: 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


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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