The Roadmap for Making Khepri the Default Metadata Store in RabbitMQ
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Khepri, the new Raft-based RabbitMQ metadata store, became fully supported with RabbitMQ 4.0. Starting with the next release series, RabbitMQ 4.2, we consider Khepri to be mature enough to become the default metadata store, especially given its substantial data safety and recovery improvements over Mnesia.
We have performed a number of benchmarks, showing significant performance improvements in many metadata operations.