Postgres Pro
Downloads
Home   >   mailing lists

Re: Add a GUC check hook to ensure summarize_wal cannot be enabled when wal_level is minimal - Mailing list pgsql-hackers

From Robert Haas
Subject Re: Add a GUC check hook to ensure summarize_wal cannot be enabled when wal_level is minimal
Date
Msg-id CA+TgmoZ53ADUm2UAGEspMuv-Db5SGtrOXUx=ps6LcGexsf5-fA@mail.gmail.com
Whole thread Raw
In response to Re: Add a GUC check hook to ensure summarize_wal cannot be enabled when wal_level is minimal  (Robert Haas <robertmhaas@gmail.com>)
Responses Re: Add a GUC check hook to ensure summarize_wal cannot be enabled when wal_level is minimal
List pgsql-hackers
Tree view 
On Wed, Jul 10, 2024 at 10:10 AM Robert Haas <robertmhaas@gmail.com> wrote:
> On Wed, Jul 10, 2024 at 1:56 AM Fujii Masao <masao.fujii@oss.nttdata.com> wrote:
> > I believe this issue occurs when the server is shut down cleanly.
> > The shutdown-checkpoint record retains the wal_level value used
> > before the shutdown. If wal_level is changed after this,
> > the wal_level that indicated by the shutdown-checkpoint record
> > and that the WAL data generated afterwards depends on may not match.
>
> Oh, that's a problem. I'll have to think about that.

Here is an attempt at fixing this problem.

--
Robert Haas
EDB: http://www.enterprisedb.com
Attachment

pgsql-hackers by date:

Previous
From: Nathan Bossart
Date:
Subject: Re: Add a GUC check hook to ensure summarize_wal cannot be enabled when wal_level is minimal
Next
From: vignesh C
Date:
Subject: Re: long-standing data loss bug in initial sync of logical replication