Every slow query investigation eventually reaches the same moment: you run EXPLAIN ANALYZE, and the plan makes no sense. Postgres
Continue readingReading EXPLAIN ANALYZE: Why Postgres Ignores Your Index
Every schema migration tool will happily tell you how to change a table. Almost none of them will tell you
Continue readingZero-Downtime Database Migrations: Expand-Contract, Backfills, and Locks
Every PostgreSQL connection is a process on the server. Not a thread, not an entry in a table — a
Continue readingDatabase Connection Pooling: PgBouncer, Pool Sizing, and the Math Behind Both
Every reporting query has a moment where GROUP BY stops being enough. You need the aggregate and the row it
PostgreSQL connections are expensive. Each backend process consumes roughly 10 MB of resident memory, holds a socket, and runs a
Continue readingPostgreSQL Connection Pooling: PgBouncer Modes, Pitfalls, and Production Config
Most production performance problems in database-backed applications trace back to the same root cause: missing or misused indexes. Not slow
Continue readingPostgreSQL Indexing Strategies: Choosing the Right Index for Every Query
PostgreSQL 19 Beta 1 landed on June 4, 2026, and it’s packed with features that directly change how you write
Continue readingPostgreSQL 19 Beta 1: GROUP BY ALL, REPACK CONCURRENTLY, and What Else Is Coming
PostgreSQL 18 arrived in September 2025 (with the latest patch release, 18.4, landing May 14, 2026), and it’s one of
Continue readingPostgreSQL 18 Features That Change How You Write Queries