Cloud Architecture

Aurora PostgreSQL Read Scaling Auto-Discovery

Cloud Architecture diagram · made in Skemio

Aurora PostgreSQL architecture diagram showing App targeting Writer Endpoint to Primary DB and Reader Endpoint load balancing across auto-scaled Aurora Replicas on shared storage.
Aurora PostgreSQL architecture diagram showing App targeting Writer Endpoint to Primary DB and Reader Endpoint load balancing across auto-scaled Aurora Replicas on shared storage.
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What it shows

  • Single cluster reader endpoint automatically load balances read queries
  • Aurora Auto Scaling provisions read replicas based on CPU load
  • Shared distributed storage keeps replication lag under 20 milliseconds

The takeaway

Aurora reader endpoints dynamically route read traffic to auto-scaled replicas with zero app redeploys.

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