From: David Geier <geidav.pg@gmail.com>
To: Robert Haas <robertmhaas@gmail.com>
To: Álvaro Herrera <alvherre@kurilemu.de>
Cc: Lukas Fittl <lukas@fittl.com>
Cc: Andres Freund <andres@anarazel.de>
Cc: pgsql-hackers <pgsql-hackers@postgresql.org>
Cc: Pavel Stehule <pavel.stehule@gmail.com>
Cc: vignesh C <vignesh21@gmail.com>
Cc: Michael Paquier <michael@paquier.xyz>
Cc: Ibrar Ahmed <ibrar.ahmad@gmail.com>
Cc: Maciek Sakrejda <m.sakrejda@gmail.com>
Cc: Tomas Vondra <tomas@vondra.me>
Subject: Re: Reduce timing overhead of EXPLAIN ANALYZE using rdtsc?
Date: Wed, 19 Nov 2025 08:20:25 +0100
Message-ID: <7d54ded4-74cc-4085-97f0-21ad3c660eb7@gmail.com> (raw)
In-Reply-To: <CA+TgmoY3em+Y23RSfcybpsxA05o-YsdDUfysK_X=v-MGsz+PmQ@mail.gmail.com>
References: <CAP53Pky-BN0Ui+A9no3TsU=GoMTFpxYSWYtp_LVaDH=y69BxNg@mail.gmail.com>
<202510191732.kxjptludow3i@alvherre.pgsql>
<CA+TgmoY3em+Y23RSfcybpsxA05o-YsdDUfysK_X=v-MGsz+PmQ@mail.gmail.com>
On 20.10.2025 21:59, Robert Haas wrote:
> On Sun, Oct 19, 2025 at 2:16 PM Álvaro Herrera <alvherre@kurilemu.de> wrote:
>> If I were
>> a consultant trying to understand a customer's system, I would have to
>> ask them to run it twice just in case 'fast' is supported, and I don't
>> think that's very helpful.
>
> Big +1 from me.
>
That makes sense. I'm planning to rebase the patch the next days. Then
I'll also take care of that.
--
David Geier
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Subject: Re: Reduce timing overhead of EXPLAIN ANALYZE using rdtsc?
In-Reply-To: <7d54ded4-74cc-4085-97f0-21ad3c660eb7@gmail.com>
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