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Stretched clusters are not suitable for disaster recovery scenarios because they provide no protection against software failures or configuration incidents. Vendors that recommend stretched cluster deployments typically position them for high availability (HA) rather than DR, and notably, most do not offer stretched clusters as a managed service option, further underscoring the operational challenges and limited DR effectiveness of this architecture.

Unclean Leader

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Election

This proposal does not support unclean leader elections because there is no way to reconcile log divergence between source and destination clusters without a shared leader epoch. When the unclean.leader.election.enable is set to true, the broker will log a warning at every configuration synchronization period.

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