| From: | Fabien COELHO <coelho(at)cri(dot)ensmp(dot)fr> |
|---|---|
| To: | PostgreSQL Developers <pgsql-hackers(at)lists(dot)postgresql(dot)org> |
| Cc: | Michael Paquier <michael(at)paquier(dot)xyz> |
| Subject: | reorder pg_rewind control file sync |
| Date: | 2019-03-23 05:18:27 |
| Message-ID: | alpine.DEB.2.21.1903230606350.18811@lancre |
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| Thread: | |
| Lists: | pgsql-hackers |
Bonjour Michaël,
On Sat, 23 Mar 2019, Michael Paquier wrote:
> On Fri, Mar 22, 2019 at 03:18:26PM +0100, Fabien COELHO wrote:
>> Attached is a quick patch about "pg_rewind", so that the control file
>> is updated after everything else is committed to disk.
>
> Could you start a new thread about that please? This one has already
> been used for too many things.
Here it is.
The attached patch reorders the cluster fsyncing and control file changes
in "pg_rewind" so that the later is done after all data are committed to
disk, so as to reflect the actual cluster status, similarly to what is
done by "pg_checksums", per discussion in the thread about offline
enabling of checksums:
https://www.postgresql.org/message-id/20181221201616.GD4974@nighthawk.caipicrew.dd-dns.de
--
Fabien.
| Attachment | Content-Type | Size |
|---|---|---|
| rewind-fsync-1.patch | text/x-diff | 1.4 KB |
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