EugenDueck commented on issue #6209: [broker] add feature BrokerDeduplicationAcrossProducers URL: https://github.com/apache/pulsar/pull/6209#issuecomment-583777122 @codelipenghui Not sure I fully understand your question/statement, but the _producer group type_ would have the same function as with my current solution, with the exception that we don't need an `Exclusive` value. So the _producer group type_ would have two possible values: 1. `Parallel`, which is the default mode where multiple producers with the same `producerGroupName` (but different `producerName`s) can be connected to a broker at the same time and produce concurrently 1. 'Failover', which is the mode merlimat suggested above. One question is how we configure _producer groups_ - will we do it "on the fly" using the `ProducerBuilder`? In that case, what happens if two producers are created with the same `producerGroupName`, but different _producer group types_? As long as a producer group is alive, I would suggest rejecting attempts to connect with a different _producer group type_. Or were you thinking of adding a new API or configuration for creating and managing producer groups? (This sounds like more complexity)
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