An AI-built prototype arrives with one index per table, a secret in the bundle and no schema history. Where the break-even sits, and what to repair.
Dimensional query containers stopped applying layout containment in 2024: what container-type still does, where the specifications disagree, and when clamp() wins.
What a service split actually fixes, why a shared schema leaves you with a distributed monolith, and which service to extract first.
The difference between a workflow and an agent, costed end to end on an invented system called Lamplighter: 2.4x on a good run, 35x on a bad one, and the error rate that actually decides the build.
The four runtime boundaries a Python data stack crosses, what each publishes as a default, and where the interpreter lock actually costs you.
Iceberg and Delta both commit by swapping one metadata pointer. The catalog holds that pointer, so the catalog decides which engines can commit.
A client secret handed to a Spark job lands in six places. Rotation deletes none, and a derived 30-day period still runs 576 times a federated token.
A worked replay calculation for a streaming pipeline, the latency floor exactly-once imposes, and why the first stream costs a rota rather than a processing job.
Plugin maintenance is superlinear in the plugins that own a write path, and the crossover against a half-day-a-month budget lands at 3.45.
Twenty minutes, no deck. We’ll tell you straight whether this is work we should be doing, and if it isn’t, we usually know who should.
We come back within one business day.
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