Writing

Notes on warehouse cost and what actually fits

Field notes from building ducklens, an open cost-fit scorer for Snowflake and BigQuery. What the query data says about how much of a bill actually needs a warehouse, and what it does not.

July 2026 · 7 min read

I ran ducklens over 5.8 million real Snowflake queries

I built a tool that estimates how much of a Snowflake bill could run on a single DuckDB machine, then ran it against Snowset, a public trace of real Snowflake queries. Here is what came out, and what it leaves out.

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More notes soon.