| From: | Andres Freund <andres(at)anarazel(dot)de> |
|---|---|
| To: | Masahiko Sawada <sawada(dot)mshk(at)gmail(dot)com> |
| Cc: | depesz(at)depesz(dot)com, Amit Kapila <amit(dot)kapila16(at)gmail(dot)com>, pgsql-bugs mailing list <pgsql-bugs(at)postgresql(dot)org> |
| Subject: | Re: WAL segments removed from primary despite the fact that logical replication slot needs it. |
| Date: | 2022-11-17 18:55:29 |
| Message-ID: | 20221117185529.2q7quyznpdrcjqnx@awork3.anarazel.de |
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| Lists: | pgsql-bugs |
Hi,
On 2022-11-17 23:22:12 +0900, Masahiko Sawada wrote:
> On Thu, Nov 17, 2022 at 5:03 PM Andres Freund <andres(at)anarazel(dot)de> wrote:
> > > > 4. wal sender restarts for some reason (or server crashed).
> >
> > I don't think walsender alone restarting should change anything, but
> > crash-restart obviously would.
>
> Right. I've confirmed this scenario is possible to happen with crash-restart.
Depesz, were there any crashes / immediate restarts on the PG 12 side? If so,
then we know what the problem likely is and can fix it. If not...
Just to confirm, the problem has "newly" occurred after you've upgraded to
12.12? I couldn't quite tell from the thread.
Greetings,
Andres Freund
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