AWS Veteran Documents Assumptions Before First Google Cloud Project

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A software engineer with 12 years of AWS experience enrolled in Google Cloud's Gen AI Academy APAC Edition and is documenting predictions about where his AWS mental model will fail before touching the platform. He mapped key Google Cloud services to their AWS equivalents, finding most vocabulary translates closely, but identified concurrency handling as a major conceptual gap. Unlike AWS Lambda, which processes one request per instance, Cloud Run defaults to 80 concurrent requests per container, meaning module-level mutable state that is accidentally safe on Lambda can become a race condition on Cloud Run. He also notes that Cloud Run scales to zero by default with a maximum of 100 instances, a behavior that requires deliberate configuration choices on AWS. The engineer plans to publish a follow-up post marking each prediction right or wrong after completing the hands-on deployment.

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