see pg_migrator project which could help you.
Oleg
On Thu, 26 Apr 2007, CAJ CAJ wrote:
> Hello,
>
> Forgive me if this has been discussed before (or if it sounds absurd)
>
> Upgrading large postgres databases (100GB+) takes awfully long time when
> doing dump/restore. I was wondering if this process can be optimized by
> directly dumping to a new version of Pg database directly on another server
> without having to dump to the filesystem and then restore it.
>
> pg_dump on new server might look something like,
> pg_dump <options> -h <old server> -h <new_server> dbname
>
> or can it be used as-is by piping it?
>
> pg_dump <options> -h <old server> dbname | pg_restore
>
> Thanks!
>
Regards,
Oleg
_____________________________________________________________
Oleg Bartunov, Research Scientist, Head of AstroNet (www.astronet.ru),
Sternberg Astronomical Institute, Moscow University, Russia
Internet: oleg@sai.msu.su, http://www.sai.msu.su/~megera/
phone: +007(495)939-16-83, +007(495)939-23-83
