Install the new PostgreSQL binaries
- Install the new server's binaries and support files. You can use the
- same port numbers for both clusters, typically 5432, because the old and
- new clusters will not be running at the same time.
+ Install the new server's binaries and support files.
Obviously, no one should be accessing the clusters during the
upgrade.
pg_upgrade> defaults to running servers
on port 50432 to avoid unintended client connections.
+ You can use the same port numbers for both clusters because the
+ old and new clusters will not be running at the same time.