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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: Andres Freund <andres@anarazel.de>, Pierre Ducroquet <p.psql@pinaraf.info>
Cc: 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: 2026-04-02T11:51:46Z
Lists: pgsql-hackers 
Pushed, after rewording the commit message a little bit, and removing
the sentence in the docs saying

    (before PostgreSQL 19 the default was on)

We've changed the defaults for a number of GUCs over the years (and some
of the GUCs were more critical than "jit"), and we have not added
similar comments to those. I haven't found a single GUC with such
comment, actually. So why have it for "jit"?


regards

-- 
Tomas Vondra

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  1. jit: Change the default to off.