Re: when the startup process doesn't (logging startup delays)

From: Bharath Rupireddy <bharath(dot)rupireddyforpostgres(at)gmail(dot)com>
To: Robert Haas <robertmhaas(at)gmail(dot)com>
Cc: Simon Riggs <simon(dot)riggs(at)enterprisedb(dot)com>, Thomas Munro <thomas(dot)munro(at)gmail(dot)com>, Nitin Jadhav <nitinjadhavpostgres(at)gmail(dot)com>, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, Alvaro Herrera <alvherre(at)alvh(dot)no-ip(dot)org>, Justin Pryzby <pryzby(at)telsasoft(dot)com>, Michael Paquier <michael(at)paquier(dot)xyz>, Andres Freund <andres(at)anarazel(dot)de>, Stephen Frost <sfrost(at)snowman(dot)net>, Magnus Hagander <magnus(at)hagander(dot)net>, "pgsql-hackers(at)postgresql(dot)org" <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: when the startup process doesn't (logging startup delays)
Date: 2022-11-18 10:25:00
Message-ID: CALj2ACUEdvaVjNApmHkODydNLTueej5ixnsvK+hZGJJ4=69Kew@mail.gmail.com
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On Fri, Nov 18, 2022 at 12:42 AM Robert Haas <robertmhaas(at)gmail(dot)com> wrote:
>
> On Thu, Nov 17, 2022 at 2:22 AM Bharath Rupireddy
> <bharath(dot)rupireddyforpostgres(at)gmail(dot)com> wrote:
> > Duplication is a problem that I agree with and I have an idea here -
> > how about introducing a new function, say EnableStandbyMode() that
> > sets StandbyMode to true and disables the startup progress timeout,
> > something like the attached?
>
> That works for me, more or less. But I think that
> enable_startup_progress_timeout should be amended to either say if
> (log_startup_progress_interval == 0 || StandbyMode) return; or else it
> should at least Assert(!StandbyMode), so that we can't accidentally
> re-enable the timer after we shut it off.

Hm, an assertion may not help in typical production servers running on
non-assert builds. I've modified the if condition, please see the
attached v5 patch.

--
Bharath Rupireddy
PostgreSQL Contributors Team
RDS Open Source Databases
Amazon Web Services: https://aws.amazon.com

Attachment Content-Type Size
v5-0001-Disable-STARTUP_PROGRESS_TIMEOUT-in-standby-mode.patch application/x-patch 5.4 KB

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