Even the best databases can struggle as time goes by and user numbers grow. For our team at AppsFlyer, adhering to the “if it ain’t broke, don’t fix it” principle initially made sense. Major database…

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AppsFlyer Engineering

The post shares a detailed journey of scaling, migrating, and retuning a database system used for a URL shortening service. Initially reliant on vertical scaling with Aerospike, the team at AppsFlyer faced escalating costs and outdated technology, leading them to migrate to DynamoDB. They experienced issues such as throttling errors, necessitating further migration and structural changes. Key takeaways emphasize understanding data patterns, ensuring flexibility for future migrations, anticipating costs, balancing debugging capabilities with constraints, and embracing change.

Double Trouble: A Tale of Scaling, Migrating, and Database Retuning

Time for a Transition: Migrating to a New Database

This Time It’s Really Final: Migration, Take Two