Standard Azure SQL tiers hit a wall at 4TB. Hyperscale changes the architecture fundamentally.
Architecture
Hyperscale decouples Compute from Storage using a caching tier (RBPEX).
graph TB
App --> ComputeNode
ComputeNode --> PageServers[Page Servers (SSD Cache)]
PageServers --> RemoteStorage[Standard Blob Storage]
This allows it to scale to 100 TB. More importantly, backups are near-instantaneous (file snapshots) regardless of size. If you have a 20TB database, restoring it takes minutes, not days.
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