PostgreSQL 19 adds parallel autovacuum, but it only speeds up index cleanup—and only if your table has many indexes. Most tables won't benefit at all.

Enable WAL archiving with archive_mode, but know that flipping it requires a server restart—a critical operational fact that separates this parameter from…

pgBackRest, PostgreSQL's most widely-deployed backup tool, is no longer maintained after thirteen years.

PostgreSQL 19 lets you enable data checksums without downtime, but the background rewrite job is I/O-heavy and competes with your workload.

PostgreSQL 19 finally gives you `pg_get_database_ddl()`: a function that returns the SQL to recreate a database, no `pg_dump` required.

PostgreSQL 15's archive_library lets you skip shell overhead and handle WAL archiving in-process, but major backup tools haven't adopted it yet—stick with…

`archive_command` is PostgreSQL's durability linchpin: a one-line shell command that must handle partial writes, timeline divergence, and error semantics…

Clean up WAL archives on standby servers—but only if you're certain no other standbys or backup tools need those files. Otherwise, skip this parameter entirely.

Huge pages are a second configuration step that most people skip, but they're essential for any Postgres instance with serious shared_buffers.

Snowflake's pg_lake and Databricks' Lakebase both bridge Postgres and the lakehouse, but they solve different problems.