Migrating Monolithic Databases to Distributed Cloud Databases

When scaling web applications, the database is almost always the first major bottleneck. While scaling compute servers is simple via automated scaling rules, scaling relational databases like PostgreSQL or MySQL requires complex replication configurations.

Evaluating Distributed Database Options

• CockroachDB: High compatibility with PostgreSQL query layers, offering multi-region distributed queries.
• AWS Aurora Global Database: Master-replica structures across geographic data centers for high-speed read queries.
• DynamoDB: High scalability NoSQL cluster key-value database ideal for high volume transactional pipelines.

Safe, Phased Data Migrations

Implement phased replication sync pipelines so both old and new databases remain in lock-step before flipping the final write coordinates.