Beginner LevelCloud Computing (AWS/GCP/Azure)
What is Amazon Aurora and how does Aurora Serverless scale compute on demand?
❓ Interview Prompt: Explain Amazon Aurora cloud-native relational engine, storage decoupling, 6-way replication, and Aurora Serverless v2 auto-scaling.
Amazon Aurora is a cloud-native relational database engine fully compatible with MySQL and PostgreSQL, delivering 5x performance over standard MySQL.
Cloud Architecture Innovations:
1
Decoupled Storage Subsystem: Decouples compute from storage. Aurora automatically replicates storage 6 ways across 3 Availability Zones.
2
Aurora Serverless v2: Automatically scales compute capacity (Aurora Capacity Units - ACUs) up and down in fraction-of-a-second increments in response to application load without database restarts!
Code Implementation Example
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# Terraform Aurora Serverless v2 Cluster Configuration
resource "aws_rds_cluster" "aurora" {
cluster_identifier = "aurora-serverless-db"
engine = "aurora-postgresql"
engine_mode = "provisioned"
engine_version = "15.3"
serverlessv2_scaling_configuration {
min_capacity = 0.5 # Min 0.5 ACU (~1GB RAM)
max_capacity = 16.0 # Max 16 ACU (~32GB RAM)
}
}💡Terraform Amazon Aurora Serverless v2 database cluster configuration.
🎯 Interview Key Takeaway
Aurora decouples storage from compute, automatically scaling ACU compute capacity up and down instantly.
#Aurora#PostgreSQL#Serverless DB#Databases#Beginner
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