On Fri, 18 Apr 2008 14:59:34 -0400
Alvaro Herrera <alvherre@commandprompt.com> wrote:
> I find it pretty unlikely that Slony would be unable to help you
> upgrade here. Obviously you can upgrade one database at a time.
>
> Also, mostly it's not the database size what's a concern, but rather
> the size of the largest table.
As I recall (I could be wrong) Slony syncs the whole set as a single
transaction. So if he has his entire database as a set he may
have a problem regardless of the largest or smallest table. I would also
agree that 30 million rows is likely not a problem but he should still
check his velocity.
Sincerely,
Joshua D. Drake
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