On Friday 18 April 2008, Geoffrey <[EMAIL PROTECTED]> wrote:
> What about the:
>
> 8.1 -> slony -> 8.3
> switch users to 8.3 databases
>
> solution.

15+ million row inserts/updates a day across 1000+ tables. Oh, and an 
extensive existing Slony structure for some portions of the database.

I could conceivably construct Slony sets for the currently non-replicated 
tables and iteratively subscribe them (so the initial subscribe doesn't 
take a week ...).  I'm not at all sure Slony could keep up with our update 
load, though, especially not while maintaining current database operations 
and also handling those subscriptions. Slony doesn't really work well with 
high transaction volumes, in my experience.

I am going to play with this and see where it breaks, but it's going to be 
an enormous time investment to babysit it.

-- 
Alan

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