What is the difference in fault tolerance between Aurora and standard RDS MySQL?

Question

Narendran Srinivasan · Accepted Answer

Aurora offers higher fault tolerance by replicating data across three Availability Zones with continuous backups and fast failover

Narendran Srinivasan · Answer

Aurora offers higher fault tolerance by replicating data across three Availability Zones with continuous backups and sub-30-second failover. Standard RDS MySQL uses Multi-AZ deployments for fault tolerance, which have slower failover and less redundancy.

Narendran Srinivasan · Answer

RDS MySQL provides fault tolerance with a single standby in Multi-AZ, while Aurora MySQL stores 6 copies across 3 AZs, offering faster failover and higher resilience. Aurora is more fault-tolerant and suitable for mission-critical workloads.

What is the difference in fault tolerance between Aurora and standard RDS MySQL?

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