How Skai Migrated to Amazon Keyspaces with Pulumi

Danny Zalkind, the Senior Director of Infrastructure Engineering at Skai, shares insights into Skai's migration of their critical data to AWS using Amazon Keyspaces, facilitated by Pulumi and AWS Lambda. With a focus on enhancing marketing efficiency, Skai shifted from a 100-node Apache Cassandra cluster to a serverless, scalable, and cost-effective cloud solution, aiming to minimize infrastructure maintenance. The migration employed a dual-write method to ensure data integrity, utilizing a Lambda function for periodic data comparison between the new and old systems. By decoupling application code from infrastructure provisioning, Skai leveraged Pulumi to automate resource creation, allowing Skai's R&D teams to concentrate on code delivery through their CI/CD pipeline. The successful migration resulted in a 50% reduction in backend process runtime, a 400% increase in event processing throughput, and a 30% decrease in team time spent on infrastructure maintenance, offering a blueprint for large-scale cloud database migrations.

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