| From: | Steve Singer <steve(at)ssinger(dot)info> |
|---|---|
| To: | Peter Eisentraut <peter(dot)eisentraut(at)2ndquadrant(dot)com> |
| Cc: | Petr Jelinek <petr(at)2ndquadrant(dot)com>, Craig Ringer <craig(at)2ndquadrant(dot)com>, Simon Riggs <simon(at)2ndquadrant(dot)com>, Andres Freund <andres(at)anarazel(dot)de>, PostgreSQL-development <pgsql-hackers(at)postgresql(dot)org>, Erik Rijkers <er(at)xs4all(dot)nl> |
| Subject: | Re: Logical Replication WIP |
| Date: | 2016-09-21 03:35:12 |
| Message-ID: | alpine.DEB.2.11.1609202331400.22223@opti.atlantida |
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| Lists: | pgsql-hackers |
On Tue, 20 Sep 2016, Peter Eisentraut wrote:
> On 9/18/16 4:17 PM, Steve Singer wrote:
>
> I think if we want to prevent the creation of subscriptions that point
> to self, then we need to create a magic token when the postmaster starts
> and check for that when we connect. So more of a running-instance
> identifier instead of a instance-on-disk identifier.
>
> The other option is that we just allow it and make it more robust.
I think we should go with the second option for now. I feel that the effort
is better spent making sure that initial syncs that have don't subscribe
(for whatever reasons) can be aborted instead of trying to build a concept of
node identity before we really need it.
Steve
>
> --
> Peter Eisentraut http://www.2ndQuadrant.com/
> PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services
>
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