DatabasesTiger Data (Timescale)
Databases
Stale statistics on small Postgres metadata tables can silently throttle your largest queries. Learn to spot it with EXPLAIN and fix it—no schema migration.
On June 23 2026, the London PostgreSQL Meetup Group met. Organized by: Valeria Kaplan Chris Ellis Alastair Turner Michael Christofides Speakers: Andreas Karlsson Alastair Turner Valeria Kaplan On June 23, 2026, the Meetup PostgreSQL Lille…
PostgreSQL 13 made hash aggregation memory-safe by allowing it to spill to disk — but that safety introduced a surprise regression for some queries on upgrade.
There is a misconception I keep running into, and it causes real harm in production. People are afraid to increase checkpoint_timeout. They think a longer timeout means a longer recovery after a crash. So they set it to 5 minutes. Some set…