Re: postgres_fdw and connection management

On Fri, May 23, 2014 at 8:09 AM, Sandro Santilli <strk(at)keybit(dot)net> wrote:
>
> I'm evaluating use of the postgres FDW to keep in sync a central database
> to changes made in thousand other databases, via triggers.
>
> But as long as postgres_fdw keeps connections open for the whole lifetime
> of a session this conflicts with large use of poolers which make sessions
> virtually never expire.
>
> Is there any way to ask the postgres_fdw to close connections at the
> end of a transaction ? Or would it be possible at all to do from a
> FDW handler ? Do you see any drawback in doing that ?
>
> I'm willing to work on a patch, maybe accepting an additional OPTION,
> if you agree on the idea.
>

Maybe this is a case for the idea pointed here [1]. One way to register a
cleanup code to extensions, then we can run a command called 'DISCARD
EXTENSIONS' and/or 'DISCARD ALL' to do this job.

Unfortunately nobody comment my suggestion yet.

Regards,

[1]
http://www.postgresql.org/message-id/CAFcNs+orcZZ3-wPfa0RFuOCtq81sg=PrZuHv4-m1+j5etH6HOQ@mail.gmail.com

--
Fabrízio de Royes Mello
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