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Data Gravity: Egress Pricing and Keeping Compute in the Region Where the Data Lives

'Costs roughly what they predicted' fails through egress more often than through compute, and the failure is structural - where the bucket lives - rather than a tuning detail. A researcher's instinct is to pull data down to a laptop, which is exactly the instinct that turns a predicted cost into a surprise bill. It is also the concept that makes the region choice a reasoned one rather than a default inherited from a tutorial.

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Data Gravity and Moving Compute to the Data in Cloud Architecture

Data gravity is the principle that applications and services tend to migrate toward the data they operate on, with the strength of that pull increasing as the data set grows; the "gravitational" forc…