There are many timeouts in PostgreSQL, so figure out what they mean and how to use them.

1 deadlock_timeoutSets the time to wait on a lock before checking for deadlockThis is the amount of time to wait on a lock before performing deadlock detection. Deadlock detection is relatively expens...

Could GROUP-BY clause reordering improve performance?

PostgreSQL users often employ analytical queries that sort and group data by different rules. Optimising these operators can significantly reduce the time and cost of query execution. In this post, I ...

PostgreSQL 15.8 Compares Favorably with Mainstream Databases!

In the database “river and lake”, choose a suitable database is like picking a hand weapon, it is crucial. Today, let us put PostgreSQL 15.8 and mainstream databases in the ring on a good comparison...

Why PostgreSQL major version upgrades are hard?

Upgrades betweenPostgreSQL major versionsare famously annoying. You can’t just install the server binaries and restart, because the format of the data directory is incompatible.Why is that? Why can’...