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Re: Change default of jit to off

Adrien Nayrat <adrien.nayrat@anayrat.info>

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From: Adrien Nayrat <adrien.nayrat@anayrat.info>
To: Christoph Berg <myon@debian.org>, Euler Taveira <euler@eulerto.com>, Pierre Ducroquet <p.psql@pinaraf.info>, Jelte Fennema <postgres@jeltef.nl>, 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: 2026-02-03T15:46:38Z
Lists: pgsql-hackers 
Hello

On 2/3/26 11:29 AM, Christoph Berg wrote:
> 5) the default that cloud providers set when using these/their own packages

Just to mention, it is disabled on most cloud provider :


* AWS RDS : off (but available)
* Google Cloud SQL : off (not supported) 
https://docs.cloud.google.com/sql/docs/postgres/features#unsupported-features-for-postgres
* Microsoft Aure : off 
https://learn.microsoft.com/fr-fr/azure/postgresql/server-parameters/param-query-tuning-planner-options?pivots=postgresql-18#jit
* Aiven : off https://aiven.io/docs/products/postgresql/howto/enable-jit

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  1. jit: Change the default to off.