| From: | Felix Hamme <felix(dot)hamme(at)ionos(dot)com> |
|---|---|
| To: | Laurenz Albe <laurenz(dot)albe(at)cybertec(dot)at> |
| Cc: | pgsql-bugs(at)lists(dot)postgresql(dot)org |
| Subject: | Re: BUG #19432: recovery fails at invalid checkpoint record |
| Date: | 2026-03-16 13:56:03 |
| Message-ID: | CAFhNxxSXn_Co1E8MwMmu65Ca1Q1brDbn+EU7jNUzgV5+vp2-bQ@mail.gmail.com |
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| Lists: | pgsql-bugs |
Timeline history files can be needed multiple times, ok. My question
was about WAL files only.
I'm tempted to use a restore_command which does cp for history files
and mv for WAL files, to optimize performance and disk usage.
An AI told me that a second restore attempt for the same WAL file
could only happen if recovery is resumed after a crash.
Kind regards
Felix Hamme
On Fri, Mar 13, 2026 at 5:37 PM Laurenz Albe <laurenz(dot)albe(at)cybertec(dot)at> wrote:
>
> On Fri, 2026-03-13 at 09:35 +0100, Felix Hamme wrote:
> > Is it safe in general to use mv for wal files? In other words, do the
> > currently supported postgres versions run restore_command only once
> > per wal file?
>
> As you found out, no...
>
> Yours,
> Laurenz Albe
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