| From: | Petr Jelinek <petr(dot)jelinek(at)2ndquadrant(dot)com> |
|---|---|
| To: | Andres Freund <andres(at)anarazel(dot)de> |
| Cc: | Peter Eisentraut <peter(dot)eisentraut(at)2ndquadrant(dot)com>, Bruce Momjian <bruce(at)momjian(dot)us>, PostgreSQL-development <pgsql-hackers(at)postgresql(dot)org> |
| Subject: | Re: Logical replication in the same cluster |
| Date: | 2017-05-02 14:48:21 |
| Message-ID: | a47b5b3f-9ae1-ddac-da66-b8181a7bac96@2ndquadrant.com |
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| Lists: | pgsql-hackers |
On 02/05/17 16:37, Andres Freund wrote:
> On 2017-05-02 09:17:27 +0200, Petr Jelinek wrote:
>> Yes because otherwise we risk leaving slot on the upstream if the
>> command fails downstream.
>
> Shouldn't temporary slots be able to solve that concern? Create it as
> temporary at the beginning, mark it as permanent at the end?
>
So we need ALTER_REPLICATION_SLOT? :)
But that aside, based on the conversation nearby [1], we'll see if we
even want to create slots in CREATE SUBSCRIPTION.
--
Petr Jelinek http://www.2ndQuadrant.com/
PostgreSQL Development, 24x7 Support, Training & Services
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