PostgreSQL 19 release date moves to 19 November: what was cut, what shipped, and how to test the RC
PostgreSQL 19 is now due on 19 November. What was reverted, what shipped, the defaults that change, and how to test your cluster against RC 1.
System architecture
Data models, migrations and the decisions that are expensive to reverse.
System architecture articles
Stalwart 1.0 mail server: what's new, the benchmarks, and how to upgrade from 0.16
Stalwart 1.0 is out: what's new, how its benchmarks against Postfix and Dovecot hold up, and how to migrate from 0.16 with stalwart-migrate.
DeepInfer explained: how DeepSeek's open-source inference engine serves V4.1 Flash, and what it takes to run it
DeepSeek open-sourced DeepInfer, the engine behind V4.1 Flash: what it includes, what it leaves out, the hardware it needs and how to run it.
Postgres isn't slow, your storage is: how to find disk waits with pg_stat_io
How to tell if PostgreSQL is waiting on storage with wait events, pg_stat_io and iostat, and what moving to local NVMe costs.
DuckDB 2.0 alpha: where the speed-ups come from, and what to test before it ships
Why DuckDB 2.0 reads S3 up to 3x faster, runs recursive queries in a tenth of a second, and where VARIANT is still slower than JSON.