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Posted to commits@pulsar.apache.org by GitBox <gi...@apache.org> on 2020/08/07 07:53:20 UTC

[GitHub] [pulsar] stupidusername commented on issue #5157: [docs] How does --processing-guarantees affect source connectors?

stupidusername commented on issue #5157:
URL: https://github.com/apache/pulsar/issues/5157#issuecomment-670383926


   @Jennifer88huang thanks for submitting the PR. The CLI documentation looks better with those changes IMO.
   
   It's still difficult for me to understand how is the `EFFECTIVELY_ONCE` guarantee achieved. I ran some tests and also read the source code. My conclusion was that the `partitionId` and the `recordSequence` are used to determine the uniqueness of a message.
   
   I wouldn't mind adding this information to the docs myself but I am not quite sure if my observations are correct.


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