Vitess Binary Rollback and MySQL State Interoperability
Component Version Compatibility Vitess supports rolling upgrades by maintaining N and N-1 version compatibility between vtgate , vtctld , and vttablet . While stateless components like vtgate can be reverted by redeploying previous binaries, the vttablet interacts directly with the MySQL instance and the topology server. Stateful Rollback Constraints Certain
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