For this case no reordering will occur, but the original send order will be preserved.
This is even true without transactions if you use idempotent producer. -Matthias On 1/6/19 6:00 PM, Mark Horton wrote: > I was curious if re-ordering is possible within a transaction? Let's > say a KafkaProducer sends 1000 messages to a single partition within a > single transaction, and the total size causes more than 1 batch to be > sent to the broker. If, for some reason, one of the batches is lost > and resent, is it possible this will cause messages to be re-ordered > within the transaction? > > Mark >
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