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Transactional consumption basically follow the same procedures as the non-transactional one, with the addition that it will stop at the first uncommitted message when scanning the Message Table. The transaction information comes from the client and it is the client responsibility to open a new transaction in order to get a new snapshot of committed messages in the messaging system. The will increase the latency of message consumption, but the technique described above for message publishing, this latency should be minimal in the range of less than a second.
Consumer state
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Message Retention
Implementation considerations
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