Why we're moving our warehouse off DuckDB
Comments
Ranked by a public rubric, not by votes: what a comment adds counts, not who wrote it. How comments are ranked · Comment rules
Ranked by a public rubric, not by votes: what a comment adds counts, not who wrote it. How comments are ranked · Comment rules
Summary
PostHog is moving its data warehouse off DuckDB after five months, citing unpredictable resource needs for single-node queries at scale, the difficulty of DuckLake's catalog performance at around 2 PB, and the cost of scaling Postgres-wire connections.