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A Kafka Alternative for Message Prioritization

Ricardo Ferreira explains why Apache Kafka doesn’t support message prioritization and gives a second-best solution when you do need it:

Users of messaging technologies such as JMS and AMQP often use message prioritization so that messages can be processed in a different order based on their importance. It doesn’t take much imagination to see where this can be useful—call center companies will want to handle the most severe cases first, then others; airline companies give preference to their service treats to customers with higher status, and telecommunication companies would probably give their most loyal customers a better renewal promotion.

One of the misconceptions that developers have when they first encounter Apache Kafka® is that it is just another messaging system, just like the ones they’re familiar with. By extension from that, they get disappointed when they find that Kafka doesn’t offer message prioritization.

Read on for the answers.

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