> Note that PostgreSQL 9.2 has been end of life for almost 5 years by now. If I 
> were you I'd be a *lot* more worried about that than I would be about Bucardo.

I'm not saying Bucardo is good or bad, nor saying that I am not worried about a 
production system having PG 9.2. It's quite the opposite.. that's why we're 
working on this migration.
I'm saying that I do not have enough experience with Bucardo to have a 
bidirectional replication in place.

> But that assumes that your customers are not shared in the same table

That is exactly my problem... 

> As long as you run pg_upgrade in link mode, diong so on a 1.5TB database is a 
> very quick operation, normally completes in a couple of minutes including the 
> ANALYZE step. This is a "destructive operation", so you can't go back if 
> something goes wrong, but just keep an extra standby node around to fail over 
> to if everything blows up and you have that covered.

I'll test this again, this time in link mode.

Lucas

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