Bancos de dadosPlanet PostgreSQL
Bancos de dados
Aggregates in PostgreSQL aren't particularly efficient, computationally speaking. It shows most in a scenario where partial aggregation doesn't help: when aggregation only prepares data for the query, processing a large stream of rows and…
PostgreSQL's max_files_per_process isn't a hard limit—it's a descriptor pool that quietly recycles old files when full.
PostgreSQL write amplification explained: why indexes multiply WAL volume, how to measure it on your tables, and four ways to reduce it without schema changes.
Logical replication has been part of Postgres since version 10, and the syntax page that governs it is almost comically brief. wants a name, a connection string, a list of publications, and then it offers one innocuous line:That single…