Severalnines Blog

Migration and upgrades: achieving near zero-downtime in PostgreSQL

July 31, 2025 Sebastian Insausti
Migrating or upgrading a PostgreSQL database carries significant risk, particularly for organizations with strict uptime requirements. Whether the objective is a major version upgrade, hardware relocation, or a shift between cloud environments, maintaining uninterrupted service without sacrificing performance is critical. This article explores techniques for achieving near zero-downtime during PostgreSQL...

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