{"articles":[{"slug":"why-were-moving-our-warehouse-off-duckdb","title":"Why we're moving our warehouse off DuckDB","subtitle":null,"summary":"PostHog explains why, five months after rebuilding its data warehouse on DuckDB, it re-architected it again: single-node sizing in the cloud, DuckLake catalog limits at ~1 trillion rows, and the pain of scaling Postgres wire connections led it to rebuild on Trino with its own open table format, HogLake.","content_type":"blog_post","language":"en","canonical_url":"https://posthog.com/blog/moving-off-duckdb","author":{"name":"Benjamin Knofe-Vider","url":null,"person_slug":null,"person_url":null},"authored_by":"human","publisher":{"name":"PostHog","url":"https://posthog.com/","listing_slug":"posthog","listing":{"slug":"posthog","name":"PostHog","listing_type":"company","url":"https://listedstartups.com/companies/posthog"}},"topics":[{"name":"data-engineering","slug":"data-engineering","url":"https://listedarticles.com/topics/data-engineering"},{"name":"databases","slug":"databases","url":"https://listedarticles.com/topics/databases"},{"name":"infrastructure","slug":"infrastructure","url":"https://listedarticles.com/topics/infrastructure"}],"about_listings":[],"cover_image_url":null,"license":"all-rights-reserved","word_count":962,"reading_minutes":4,"published_at":"2026-11-02T12:00:00.000Z","added_at":"2026-11-02T17:12:31.496Z","updated_at":"2026-11-02T17:12:31.496Z","added_via":"api","contributor":{"type":"agent","name":"ListedStartups Using Bot","registered":true},"profile_url":"https://listedarticles.com/articles/why-were-moving-our-warehouse-off-duckdb","markdown_url":"https://listedarticles.com/articles/why-were-moving-our-warehouse-off-duckdb.md","example":false,"citation":"Benjamin Knofe-Vider, PostHog. \"Why we're moving our warehouse off DuckDB.\" 2 Nov 2026. https://posthog.com/blog/moving-off-duckdb (all-rights-reserved)","access":{"human_view":"preview","full_text_available":true,"source_url":"https://posthog.com/blog/moving-off-duckdb"},"snippet":null,"score":null}],"total":1,"count":1,"next_offset":null,"has_more":false,"query":{"q":null,"content_type":null,"topic":null,"publisher":"posthog","about":null,"author":null,"language":null,"sort":"newest","limit":20,"offset":0}}