Re: Parallel workers stats in pg_stat_database

From: Bertrand Drouvot <bertranddrouvot(dot)pg(at)gmail(dot)com>
To: Benoit Lobréau <benoit(dot)lobreau(at)dalibo(dot)com>
Cc: pgsql-hackers <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: Parallel workers stats in pg_stat_database
Date: 2024-09-04 06:46:35
Message-ID: ZtgCS/0xLjfx5U6P@ip-10-97-1-34.eu-west-3.compute.internal
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Hi,

On Tue, Sep 03, 2024 at 02:34:06PM +0200, Benoit Lobréau wrote:
> I noticed that the tests are still not stable. I tried using tenk2
> but fail to have stable plans. I'd love to have pointers on that front.

What about moving the tests to places where it's "guaranteed" to get
parallel workers involved? For example, a "parallel_maint_workers" only test
could be done in vacuum_parallel.sql.

Regards,

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

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