kolla-ansible/releasenotes/notes/change-rabbitmq-partition-h...

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---
upgrade:
- Set RabbitMQ ``cluster_partition_handling`` to ``pause_minority``.
This is to avoid split-brain.
The setting is overridable using custom config.
Note this new config requires at least 3-node RabbitMQ cluster
to provide HA (High Availability).
See production architecture guide for more info.