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  • Zenifer Cheruveettil thinks this is interesting:

Being able to control reliability trade-offs at the topic level means that the same Kafka cluster can be used to host reliable and nonreliable topics. For example, at a bank, the administrator will probably want to set very reliable defaults for the entire cluster but make an exception to the topic that stores customer complaints where some data loss is acceptable.

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Cover of Kafka: The Definitive Guide

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haha, funny