The current results of our Have you tried pg_upgrade? survey are:
|We've tested it in dev, but haven't had a reason to use it||14||16%|
|We're planning to use it to upgrade to 9.0/9.1 soon||21||25%|
|We tested it and it didn't work for us||6||7%|
|We already upgraded with it||9||10%|
This survey was posted April 20, 2011.