postgresql - Debezium 是否提供交货和订购保证？

Question

我打算使用 debezium用于产生事件到 Kafka我需要强大的交货和订购保证。通过使用 enable.idempotence=true生产者配置中的参数我可以得到这些保证。

我的问题是:

我怎样才能用 debezium 实现这一点？

是否默认提供这些保证？

可配置吗？如何？

注意:我打算使用 Debezium Connector for PostgreSQL

Answer 1

Delevery Sematincs

debezium保证至少一次 送货:

When all systems are running nominally or when some or all of the systems are gracefully shut down, then consuming applications can expect to see every event exactly one time. However, when things go wrong it is always possible for consuming applications to see events at least once.

来源: Why must consuming applications expect duplicate events?

订货保证

debezium具有强大的订购保证:

Most connectors will record all events for a single database table to a single topic. Additionally, all events within a topic are totally-ordered, meaning that the order of all of those events will be maintained. (Even if events are duplicated during failures, the end result after applying all of the events will remain the same.)

来源: How are events for a database organized?