Aurora
Aurora
What it is: A high-performance, AWS-built database engine compatible with MySQL and PostgreSQL. It is ostensibly "RDS on steroids"—much faster, more durable, and scales storage automatically.
Data Engineer Note: If a client says "our database is slow," moving from RDS to Aurora is often the first fix.
Equivalents:
GCP: AlloyDB (specifically for PostgreSQL)
Azure: Azure Cosmos DB for PostgreSQL (formerly Citus) or Azure SQL Hyperscale
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