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I can guarantee you, nothing is simple about S3. I bet engineers spend months on a single configuration change to the underlying subsystems.

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If you read the article, they say that exactly. Its by Dr Werner Vogels, they know exactly what goes into S3, since they are a principal engineer on the project.

It’s Vogels’ blog but this is a guest post by Andy Warfield.

My mistake, I stand corrected.

That’s what makes it a good abstraction.

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