I've had some issues with pg_upgrade and 9.4. For my test systems, as I didn't really have the resources to diagnose what was going on, I just used a pg_dumpall to unload the 9.3.3
instance and then just ran psql to load the output from pg_dumpall.
The more wonderful part of installing different minor versions of postgresql, is that most O/S packages put the binaries and the default data directories in slightly different
areas, so they can co-exist, just not necessarily run at the same time without specifying different connect ports.
On 2/11/2015 9:27 AM, David F. Skoll wrote:
On Wed, 11 Feb 2015 09:04:44 +0000
Greg Clough <greg.clough@xxxxxxxxxxxxxxxx> wrote:
Have you investigated the "Replication Slots" feature that's new in
9.4. It sounds like what you want:
Yes, it is exactly what I want... thanks!
Now to plan the upgrade from 9.1 to 9.4... it's not exactly trivial.
The database is about 400GB which is large enough to be unwieldy and it
powers our anti-spam service... that means we can't be down for very
long. :( Time to re-familiarize myself with pg_upgrade...
Regards,
David.
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