Transactions in Action: the Story of Exactly Once in Apache Kafka

Transactions were added to Apache Kafka with KIP-98. While much of the protocol remains intact, transactions in Kafka have evolved over time to handle edge cases and errors found over the years. KIP-890 hopes to cover most of the remaining gaps in the protocol. This talk will give a refresher on transactions and idempotency and chronicle the various KIPs that improved the protocol over the years. We will also discuss the problem of hanging transactions and how KIP-890 hopes to solve it as well as strengthen the transactional protocol overall.
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[@nickandrievsky5705]

Thank you for the presentation. It was informative, but extremely hard to follow.