Re: Logical Replication WIP

From: Jaime Casanova <jaime(dot)casanova(at)2ndquadrant(dot)com>
To: Petr Jelinek <petr(dot)jelinek(at)2ndquadrant(dot)com>
Cc: Fujii Masao <masao(dot)fujii(at)gmail(dot)com>, Peter Eisentraut <peter(dot)eisentraut(at)2ndquadrant(dot)com>, Robert Haas <robertmhaas(at)gmail(dot)com>, Andres Freund <andres(at)anarazel(dot)de>, Erik Rijkers <er(at)xs4all(dot)nl>, Steve Singer <steve(at)ssinger(dot)info>, Craig Ringer <craig(at)2ndquadrant(dot)com>, Simon Riggs <simon(at)2ndquadrant(dot)com>, PostgreSQL-development <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: Logical Replication WIP
Date: 2017-01-20 16:33:47
Message-ID: CAJGNTeP-JC_2SoEsW_VncPoX=FuadPs3KNTZBdkBcQR=Z8svJA@mail.gmail.com
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On 20 January 2017 at 11:25, Petr Jelinek <petr(dot)jelinek(at)2ndquadrant(dot)com> wrote:
> On 20/01/17 17:05, Fujii Masao wrote:
>> On Fri, Jan 20, 2017 at 11:08 PM, Peter Eisentraut
>> <peter(dot)eisentraut(at)2ndquadrant(dot)com> wrote:
>>> On 1/19/17 5:01 PM, Petr Jelinek wrote:
>>>> There were some conflicting changes committed today so I rebased the
>>>> patch on top of them.
>>>>
>>>> Other than that nothing much has changed, I removed the separate sync
>>>> commit patch, included the rename patch in the patchset and fixed the
>>>> bug around pg_subscription catalog reported by Erik Rijkers.
>>>
>>> Committed.
>>
>> Sorry I've not followed the discussion about logical replication at all, but
>> why does logical replication launcher need to start up by default?
>>
>
> Because running subscriptions is allowed by default. You'd need to set
> max_logical_replication_workers to 0 to disable that.
>

surely wal_level < logical shouldn't start a logical replication
launcher, and after an initdb wal_level is only replica

--
Jaime Casanova www.2ndQuadrant.com
PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services

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