How We Scaled to 540 Aurora Clusters With a 4.5-Person DBA Team

This story was originally published on HackerNoon at: https://hackernoon.com/how-we-scaled-to-540-aurora-clusters-with-a-45-person-dba-team.
From 300 to 530 Aurora clusters with just 4.5 DBAs: how inDrive automated database operations, eliminated physical servers, and reduced incidents from 50 to 8.
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inDrive scaled its database infrastructure from around 300 to 530 Aurora clusters without expanding its DBA team. By introducing self-service database operations, Infrastructure as Code, autoscaling, and clearer processes, the team eliminated physical servers and reduced database incidents from 50 to 8 in comparable six-month periods. Here's what worked, what failed, and what other engineering teams can learn.