Recent Posts

pg_createsubscriber is a tool that was introduced in PostgreSQL 17 to simplify and speed up the creation of a logical replica by converting an existing physical standby server. In this blog post, we’ll explore the motivation behind the introduction of this tool, how to use it, and how it is implemented, including its internal workings.

At PGConf India 2025, I shared strategies for upgrading PostgreSQL replication clusters with no disruption to operations—highlighting examples and the evolving capabilities of logical replication.