In the process of building a data lake in a multi-account environment, we encountered a problem that didn’t fit into our existing mental model of how S3 and S3 cross account permissions work. Chances are that the behavior might surprise you as well.
We had planned to build a data storage platform that’s similar to a data lake in a multi-account environment. Essentially, this means that we were separating the data from the transformation and input/output logic.
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