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High Availability vs. Fault Tolerance: Is FT’s 00.001% Edge in Uptime Worth the Headache?

Percona

This blog article will examine shared attributes of high availability (HA) and fault tolerance (FT). A basic high availability database system provides failover (preferably automatic) from a primary database node to redundant nodes within a cluster. Without enough infrastructure (physical or virtualized servers, networking, etc.),