Security barriers: Cheating on the planner
UPDATED Aug. 2023 - How a security barrier can theoretically be used to speed up PostgreSQL queries and to see how PG works under the hood.
Detecting table bloat in PostgreSQL
If your PostgreSQL database is badly structured, you might face some table bloat. Figure out if a table is bloated or not.
Functions: The most widely ignored performance tweak
A PostgreSQL function performance can be marked as follows: VOLATILE, STABLE, IMMUTABLE or [NOT] LEAKPROOF. Undestand why.
pgbouncer: Proving the point
pgbouncer: Opening and closing a database connection over and over again is not free, but overhead worth thinking about.
PostgreSQL virtualization revisited
In this blog you can read more about virtualization. This is cool from many points of view but what does it mean for performance?
Better PostgreSQL performance on SSDs
The optimizer uses parameters to optimize queries, which have been constant for years. Do SSD disks have more advantages?
