On Thu, 1 Dec 2016 20:11:06 +0100
Benoit Lobréau <benoit.lobreau@gmail.com> wrote:
> Hi,
>
> Is it possible to use the built in replication to replicate between two
> PostgreSQL in the same version but in different version of the same OS (Say
> Pg 9.1 Ubuntu 12 to Pg 9.1 Ubuntu 14)
>
> I think I read in Hackers that since PostgreSQL uses the OS libraries for
> encoding. It could cause silent corruption because the encoding might be
> different between versions of the OS. But I cant find the email again so I
> can't find the exact context ... maybe I dreamed it ..
No, you did not. See:
https://www.postgresql.org/message-id/flat/BA6132ED-1F6B-4A0B-AC22-81278F5AB81E%40tripadvisor.com#BA6132ED-1F6B-4A0B-AC22-81278F5AB81E@tripadvisor.com
> We would like to replicate to the other server then upgrade to a newer
> version. (the import is too long)
Use logical replication. You could use Slony for example.
Regards,
