Re: PG11.2 - wal_level =minimal max_wal_senders = 0

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От Jason Ralph
Тема Re: PG11.2 - wal_level =minimal max_wal_senders = 0
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Msg-id BL0PR04MB6499BE55F07D19FCF3AD4030D0B50@BL0PR04MB6499.namprd04.prod.outlook.com
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Ответ на Re: PG11.2 - wal_level =minimal max_wal_senders = 0  (Benoit Lobréau <benoit.lobreau@gmail.com>)
Ответы Re: PG11.2 - wal_level =minimal max_wal_senders = 0
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Thanks,
I currently have the systems running a parallel pg_dump each night to a separate partition mounted on the VM. Then I perform a full backup of the VM and all mounted drives each night. Would this be affected by disabling wal archiving? I noted that I understood wal archiving was affected in my initial question. But I was not able to see how it could affect my setup. Please school me if I am being naive.

Jason Ralph
From: Benoit Lobréau <benoit.lobreau@gmail.com>
Sent: Friday, September 6, 2019 3:41:44 AM
To: Luca Ferrari <fluca1978@gmail.com>
Cc: Jason Ralph <jralph@affinitysolutions.com>; pgsql-general@lists.postgresql.org <pgsql-general@lists.postgresql.org>
Subject: Re: PG11.2 - wal_level =minimal max_wal_senders = 0
 
Hi,

Make sure that the new settings of wal_level and max_wal_senders don't interfere with your backup strategy.
The two parameters have an impact on wal archiving as well.

Ben.

Le jeu. 5 sept. 2019 à 08:33, Luca Ferrari <fluca1978@gmail.com> a écrit :
On Wed, Sep 4, 2019 at 10:44 PM Jason Ralph
<jralph@affinitysolutions.com> wrote:
>
> Thank you Luca,
> Can I ask one more related question, I have no need for replication as noted below, can I safely disable the worker process via the setting below? In my sandbox it does turn off the logical replication launcher, I just wanted to be sure I am not affecting anything other than replication with this setting.
>
>
> max_logical_replication_workers = 0     # taken from max_worker_processes
>                                         # (change requires restart)
>

Quite frankly I've never done, but I don't see why you should not turn it off.

Luca


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