Re: [PATCH] Doc fix for autovacuum_max_parallel_workers

From: Sami Imseih <samimseih(dot)pg(at)gmail(dot)com>
To: Baji Shaik <baji(dot)pgdev(at)gmail(dot)com>
Cc: PostgreSQL-development <pgsql-hackers(at)lists(dot)postgresql(dot)org>
Subject: Re: [PATCH] Doc fix for autovacuum_max_parallel_workers
Date: 2026-10-15 21:21:03
Message-ID: CAN12+Y+0SensRyvyF5JLRUpkD5ZB2v=EobW-L4fFu+e3hNMHAA@mail.gmail.com
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>>
>>
>> I agree. It should do something similar to [1] for consistency.
>
> Thank you for the confirmation, Sami. v2 added. I followed the format of other
> autovacuum params which don't specifically point to the related storage parameters.

I had this wording in mind:

"This parameter can only be set in the <filename>postgresql.conf</filename>
file or on the server command line; but the setting can be overridden for
individual tables by changing the
<link linkend="reloption-autovacuum-parallel-workers">corresponding table
storage parameter</link>."

That seems more helpful and matches [1], because it points to the specific
table storage parameter. In this case the reloption is named
autovacuum_parallel_workers while the GUC is autovacuum_max_parallel_workers,
so a link makes that clearer.

[1] https://www.postgresql.org/docs/19/runtime-config-vacuum.html#GUC-VACUUM-MAX-EAGER-FREEZE-FAILURE-RATE

--
Sami

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