This is a document for PGroonga 2.X and 3.X. See PGroonga 1.x document when you're using old PGroonga.
PGroonga supports PostgreSQL's built-in WAL based streaming replication and logical replication.
See the following pages for details:
Streaming replication by WAL resource manager
This requires PGroonga 3.2.1 or later and PostgreSQL 15 or later
This is recommended than streaming replication