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Posted to dev@kafka.apache.org by "Apurva Mehta (JIRA)" <ji...@apache.org> on 2017/06/07 21:10:18 UTC

[jira] [Created] (KAFKA-5403) Transactions system test should dedup consumed messages by offset

Apurva Mehta created KAFKA-5403:
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             Summary: Transactions system test should dedup consumed messages by offset
                 Key: KAFKA-5403
                 URL: https://issues.apache.org/jira/browse/KAFKA-5403
             Project: Kafka
          Issue Type: Bug
            Reporter: Apurva Mehta
            Assignee: Apurva Mehta
             Fix For: 0.11.0.0


In KAFKA-5396, we saw that the consumers which verify the data in multiple topics could read the same offsets multiple times, for instance when a rebalance happens. 

This would detect spurious duplicates, causing the test to fail. We should dedup the consumed messages by offset and only fail the test if we have duplicate values for a if for a unique set of offsets.



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