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Databases
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.
PostgreSQL's max_files_per_process isn't a hard limit—it's a descriptor pool that quietly recycles old files when full.
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…
Being "the database guy" comes with a lot of questions, and over the last eight months those questions changed. The repetitive ones disappeared, nobody asks how to avoid putting things in the database any more, and the code arriving for…