| From: | Amit Kapila <amit(dot)kapila16(at)gmail(dot)com> |
|---|---|
| To: | Alexander Korotkov <aekorotkov(at)gmail(dot)com> |
| Cc: | PostgreSQL Hackers <pgsql-hackers(at)lists(dot)postgresql(dot)org> |
| Subject: | Re: Document slot's restart_lsn can go backward |
| Date: | 2025-07-21 05:34:15 |
| Message-ID: | CAA4eK1+YkDZvsjH9ANxP5eAxJkGsdwgD8dLbTfkX5T0kFGK_eQ@mail.gmail.com |
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| Lists: | pgsql-hackers |
On Fri, Jul 18, 2025 at 5:11 PM Alexander Korotkov <aekorotkov(at)gmail(dot)com> wrote:
>
> While working on the patch fixing the situation when slot's
> restart_lsn ends up pointing to a removed WAL segment [1], we
> discovered that sometimes slot's restart_lsn can go backward
> [2][3][4]. Hayato Kuroda proposed a patch [5], which improves
> comments by describing this behavior. As proposed by Amit Kapila [6],
> I'm starting a new thread about this comments patch.
>
> Any feedback on this patch?
>
I have tried to slightly improve the comments. You can include the
suggestions, if you and/or kuroda-san thinks that the suggestions make
the patch better.
--
With Regards,
Amit Kapila.
| Attachment | Content-Type | Size |
|---|---|---|
| v2-0001-Update-comment-for-last_saved_restart_lsn.patch | application/octet-stream | 1.9 KB |
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