Highload • October 24, 2024 • 4 min read
HikariCP Tuning — The Settings That Actually Matter
Why default HikariCP is almost right, the four settings worth tuning deliberately, and the symptoms that tell you something is off.
Tag
#postgres
Highload • April 16, 2024 • 5 min read
Postgres Replication and Failover — A Practical Guide
How Postgres streaming replication actually works, setting up replicas that don't lag, and the failover mechanics you must rehearse before production.
Highload • January 11, 2024 • 4 min read
Postgres at Scale — How Far You Can Push a Single Node
The optimizations that let one Postgres instance handle tens of thousands of transactions per second, and the signs that it's time to think beyond a single node.