[jira] [Created] (KAFKA-13967) Guarantees for producer callbacks on transaction commit should be documented

["Chris Egerton (Jira)" <ji...@apache.org>]

Chris Egerton created KAFKA-13967:
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             Summary: Guarantees for producer callbacks on transaction commit should be documented
                 Key: KAFKA-13967
                 URL: https://issues.apache.org/jira/browse/KAFKA-13967
             Project: Kafka
          Issue Type: Improvement
          Components: clients
            Reporter: Chris Egerton
            Assignee: Chris Egerton


As discussed in https://github.com/apache/kafka/pull/11780#discussion_r891835221, part of the contract for a transactional producer is that all callbacks given to the producer will have been invoked and completed (either successfully or by throwing an exception) by the time that {{KafkaProducer::commitTransaction}} returns. This should be documented so that users of the clients library can have a guarantee that they're not on the hook to do that kind of bookkeeping themselves.



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