Re: make pg_ctl more friendly

From: Crisp Lee <litianxiang01(at)gmail(dot)com>
To: Andres Freund <andres(at)anarazel(dot)de>
Cc: pgsql-hackers(at)lists(dot)postgresql(dot)org, Bruce Momjian <bruce(at)momjian(dot)us>
Subject: Re: make pg_ctl more friendly
Date: 2023-11-09 01:56:50
Message-ID: CAGHPtV6mfNB1cp-FQOR+GBNyqF7UALtVatQ2=nDPj+VQhUN6Vw@mail.gmail.com
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Hi,

I know it. But my question is not that. I did a PITR operation with
recovery_target_name and recovery_target_action('shutdown'). The PITR
process was very short and the PITR was done before pg_ctl check. The
postmaster shutdown due to recovery_target_action, and there was no crash.
But pg_ctl told me about startup failure. I think the startup had
succeeded and the result was not a exception. pg_ctl should tell users
about detailed messages.

On Thu, Nov 9, 2023 at 9:32 AM Andres Freund <andres(at)anarazel(dot)de> wrote:

> Hi,
>
> On 2023-11-09 09:29:32 +0800, Crisp Lee wrote:
> > How to judge from 'DB_SHUTDOWNED' that PITR ends normally?
> 'DB_SHUTDOWNED'
> > is just a state, it could not give more meaning, so I reuse the
> > recovery.done.
>
> DB_SHUTDOWNED cannot be encountered while recovery is ongoing. If there
> was a
> hard crash, you'd see DB_IN_ARCHIVE_RECOVERY or such, if the command was
> shut
> down orderly before PITR has finished, you'd see DB_SHUTDOWNED_IN_RECOVERY.
>
> - Andres
>

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