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  1. Kafka
  2. KAFKA-6620

Documentation about "exactly_once" doesn't mention "transaction.state.log.min.isr"

    Details

    • Type: Bug
    • Status: Resolved
    • Priority: Major
    • Resolution: Fixed
    • Affects Version/s: None
    • Fix Version/s: 2.1.0
    • Component/s: documentation, streams
    • Labels:
      None

      Description

      Documentation about "processing.guarantee" says:

      The processing guarantee that should be used. Possible values are at_least_once(default) and exactly_once. Note that exactly-once processing requires a cluster of at least three brokers by default what is the recommended setting for production; for development you can change this, by adjusting broker setting `transaction.state.log.replication.factor`

      If one only set transaction.state.log.replication.factor=1 but leave transaction.state.log.min.isr with default value (which is 2) the Streams Application will break.

      Hope you guys modify the doc, thanks.

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              • Assignee:
                dongjin Lee Dongjin
                Reporter:
                chanjarster Daniel Qian
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                • Created:
                  Updated:
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