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Field notes from production systems.
Written from real jobs and things that went wrong, not vendor material. Short, specific, and useful whether or not you ever hire us.
Analytics · 6 min read
Why your two dashboards disagree
Nearly every reporting dispute is a definition dispute wearing a technical costume. Here is how to find the real disagreement and end it.
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Databases · 7 min read
The database bill nobody audits
Most cloud database overspend is not a pricing problem. It is five specific query patterns, and each one is cheaper to fix than to host.
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AI & ML · 8 min read
What has to be true before a model ships
Models rarely fail in the notebook. They fail at the boundary between training data and the real world — a data engineering problem, not a modelling one.
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