Most exploratory questions against a large table only need a rough answer, but without an index on status, even "roughly how many shipped orders" costs a full scan. On the two-million-row orders table, Postgres has to read every single 8…
For anyone with an interest in the long-term health and longevity of the broader ecosystem of Postgres extensions and tools, we’d like to hear your ideas and inspirations for its assurance. Come to the PGConf.EU half-day Community Events…
Whether your query's leader process joins the work or just supervises depends on this boolean, and the performance question it settles is subtle. (I consult on PostgreSQL through PGX Inc..)
PostgreSQL's parallel query planner charges two fees for going parallel: a setup cost per Gather node and a per-row cost for moving data from workers to… (I consult on PostgreSQL through PGX Inc..)