EBS Volume Types
~10 min read
SSD versus HDD-backed volumes, and matching a volume type to a workload's IOPS and throughput profile.
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Key points
- •gp3: modern general-purpose default, independently configurable IOPS/throughput
- •io1/io2: highest-performance, most consistent latency, for demanding production databases
- •io1/io2 support EBS Multi-Attach with a cluster-aware file system
- •st1/sc1: HDD-backed, cheap, for large sequential-access workloads — not for boot volumes or random access