On Wed, Aug 19, 2015 at 4:46 PM, Andres Freund <andres@anarazel.de> wrote:
On 2015-08-19 09:41:32 -0400, Tom Lane wrote: > In fact, they'd still need to use DNS balancing for Postgres, > because not everything connects with libpq (think JDBC for instance).
> Connection Fail-over > > To support simple connection fail-over it is possible to define multiple > endpoints (host and port pairs) in the connection url separated by > commas. The driver will try to once connect to each of them in order > until the connection succeeds. If none succeed, a normal connection > exception is thrown. > > The syntax for the connection url is: > > jdbc:postgresql://host1:port1,host2:port2/database
yes, I also wanted to show this, but you was quicker.
> So I think we ought to reject this proposal, full stop. I see no > reason to re-invent this wheel, and there are good reasons not to.
I don't really buy this argument. Allowing to connect to several endpoints isn't exactly "new tech" either. A lot of database connectors do support something very close to the above pgjdbc feature.