https://ferkakta.dev/tags/oncall/Recent content in Oncall on ferkakta.devHugoen-USCopyright fizz.Sun, 29 Mar 2026 12:00:00 -0500https://ferkakta.dev/redshift-truncate-postgres-mental-model/Sun, 29 Mar 2026 12:00:00 -0500https://ferkakta.dev/redshift-truncate-postgres-mental-model/<p>The page looks simple enough that I think I understand it immediately. A snapshot table is empty after a failed refresh.</p> <p>I am working in the data acquisition side of a place with an observatory culture I still miss. Data management, data acquisition, quant researchers, and portfolio managers are in real partnership there. The snapshot tables matter because they sit between raw ingestion and people trying to understand the world a little sooner than everybody else.</p>