From: | Petr Jelinek <petr(dot)jelinek(at)2ndquadrant(dot)com> |
---|---|
To: | Jaime Casanova <jaime(dot)casanova(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 16:39:46 |
Message-ID: | 31672c7b-6c02-b910-1e38-95d48a973be9@2ndquadrant.com |
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Lists: | pgsql-hackers |
On 20/01/17 17:33, Jaime Casanova wrote:
> 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
>
Launcher is needed for subscriptions, subscriptions don't depend on
wal_level.
--
Petr Jelinek http://www.2ndQuadrant.com/
PostgreSQL Development, 24x7 Support, Training & Services
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