One thing I find people don't talk enough about is how bad AWS documentation is, across the services. They contain outdated information about services, inconsistencies for the same feature, and lack explanation and meaningful examples to help you understand how things work and work together, even for common workflows. Example: try to make Sagemaker use EMR for Spark analysis, as a beginner who has little idea what IAM is and how to grant permissions for different services. It will be fun.
I am just amazed that people are able to navigate the services and configure them properly.
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