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As of Vault 0.9.4, this is still the case. The leader services all read and write responses. The Spanner backend does enable Vault to run in HA mode, but only a
by sethvargo 9y ago
As of Vault 0.9.4, this is still the case. The leader services all read and write responses. The Spanner backend does enable Vault to run in HA mode, but only a single server will respond to requests.
If, in the future, Vault allows for multi-leader or at least read-only followers to respond, the Spanner backend would support that. Unfortunately this is a limitation in Vault's current architecture, and not something a new storage backend can fix.