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Re: Change default of jit to off

Tomas Vondra <tomas@vondra.me>

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From: Tomas Vondra <tomas@vondra.me>
To: Andrew Dunstan <andrew@dunslane.net>, Thomas Munro <thomas.munro@gmail.com>
Cc: Andres Freund <andres@anarazel.de>, Pierre Ducroquet <p.psql@pinaraf.info>, Tom Lane <tgl@sss.pgh.pa.us>, Jelte Fennema-Nio <postgres@jeltef.nl>, Greg Sabino Mullane <htamfids@gmail.com>, Adrien Nayrat <adrien.nayrat@anayrat.info>, Christoph Berg <myon@debian.org>, Euler Taveira <euler@eulerto.com>, Álvaro Herrera <alvherre@kurilemu.de>, PostgreSQL Hackers <pgsql-hackers@lists.postgresql.org>, Andreas Karlsson <andreas@proxel.se>, Anthonin Bonnefoy <anthonin.bonnefoy@datadoghq.com>, pgsql-hackers <pgsql-hackers@postgresql.org>, Michael Banck <mbanck@gmx.net>
Date: 2026-04-02T19:46:40Z
Lists: pgsql-hackers 

On 4/2/26 15:10, Andrew Dunstan wrote:
> 
> On 2026-04-02 Th 8:50 AM, Thomas Munro wrote:
>> On Fri, Apr 3, 2026 at 12:52 AM Tomas Vondra <tomas@vondra.me> wrote:
>>> Pushed, after rewording the commit message a little bit, and removing
>>> the sentence in the docs saying
>>>
>>>      (before PostgreSQL 19 the default was on)
>> How can we keep it enabled in the build farm?
>>
>>
> 
> No easy way to do it globally - I guess we could default it to on in the
> next client release. Individual owners can enable it in their buildfarm
> configs, in the extra_config section.
> 

That's a good idea. Maybe we should ping the buildfarm owners (those
that are already running --with-llvm) to add jit=on.

I'll do that on my two clang animals dikkop/jay, and maybe on some of
the gcc ones too. But I'll wait a bit, I don't want to upset them right
before feature freeze.

regards

-- 
Tomas Vondra

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  1. jit: Change the default to off.