On June 3, 2011, fel <fellsin@hotmail.com> wrote:
> What would be the best solution :
> - Dump data from 32bit to 64bit then upgrade to v9.0 (using pg_upgrade).
> - Upgrade to v9.0 then dump from 32 to 64bit.
> - Dump from 8.3-32bit to 9.0-64bit.
Just dump from 8.3-32bit to 9.0-64bit. Pay attention to the various changelogs in case your application will be affected by functionality changes.
The only reason to do pg_upgrade is to avoid a dump/reload cycle, but that isn't an option in your case (at least, I'm pretty sure it isn't).
