Reviews

28 entries · complete archive

Platforms

DuckDB, two years into 1.x: the re-verdict

We called the single-node renaissance early. Time to check the review against what actually happened, which is the part of criticism most outlets skip.

Platforms

Iceberg v3 outran the engines that read it

Snowflake, Databricks and Dremio shipped Iceberg v3 GA this spring. Trino is partial, Athena and BigQuery still read v2. The interop math, reviewed.

Economics

The real cost of switching BI tools

The license comparison is the cheapest part of the spreadsheet. Where BI migrations actually spend their budget, and the line items procurement never sees.

Economics

Warehouse cost levers, ranked by yield

Most warehouse bills respond to four interventions. The ranking, the yields we have seen, and the lever everyone pulls first that matters least.

Tooling

Semantic layers, a reality check

Define the metric once, serve it everywhere. The promise is right, the adoption math is harder, and the graveyard has a pattern worth reading.