The JusDB Database Engineering Blog

Aurora and RDS share the MySQL engine but diverge at the storage layer in ways that produce very different cost and performance profiles — the right choice depends entirely on your I/O pattern.

Authenticate to RDS and Aurora using IAM credentials instead of passwords. Eliminates long-lived passwords with 15-minute token-based access. Covers PostgreSQL and MySQL setup.

Configure Aurora Serverless v2 for production workloads. ACU sizing, RDS Proxy integration, CloudWatch monitoring, and cost vs provisioned comparison.

Cut Amazon RDS costs with right-sizing, Reserved Instances, Aurora Serverless v2, and snapshot lifecycle management. Practical techniques with real savings estimates.

A detailed comparison of Google Cloud SQL, Amazon RDS, and Azure Database for MySQL and PostgreSQL — HA architecture, failover times, connection pooling, pricing for equivalent instances, and platform-specific features.

Aurora PostgreSQL offers sub-30-second failover and 15 read replicas but costs more per instance and adds per-I/O pricing. Learn when Aurora's HA wins over RDS simplicity with real cost modeling for 2025.

Use Neon for serverless PostgreSQL — database branching for dev/test, autoscaling, and cost model

AWS RDS, Aurora, and Aurora Serverless v2 all run MySQL and PostgreSQL — but their pricing models differ dramatically. Learn when to use each and how to avoid expensive I/O surprises.

A production guide to AWS Database Migration Service — replication instance sizing, endpoint configuration, Full Load vs CDC vs Full Load+CDC modes, performance tuning, and DMS vs Debezium vs pglogical.

Understand Google Spanner's architecture — TrueTime, interleaved tables, schema design, and cost model

Master AWS RDS connection limits for MySQL and PostgreSQL. Learn max_connections calculation, connection pooling strategies, and optimization techniques.

Evaluate Google AlloyDB — columnar engine, read pool nodes, ML integration, and comparison with Aurora PostgreSQL