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Comment by sarchertech

14 hours ago

Of course they are, but I’m not controlling the producer.

Producer doesn’t care how many partitions there are, it doesn’t even know about them, unless it wants to use its own partitioning algorithm. You can change the number of partitions on the topic after the fact.

  • In this case it would need to use its own partitioning algorithm because of some specific ordering guarantees we care about.