Re: The suggestion of reducing autovacuum_vacuum_cost_delay should be documented

From: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
To: "David G(dot) Johnston" <david(dot)g(dot)johnston(at)gmail(dot)com>
Cc: Bruce Momjian <bruce(at)momjian(dot)us>, yigongh(at)gmail(dot)com, pgsql-docs(at)lists(dot)postgresql(dot)org
Subject: Re: The suggestion of reducing autovacuum_vacuum_cost_delay should be documented
Date: 2020-05-12 23:59:07
Message-ID: 31430.1589327947@sss.pgh.pa.us
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"David G. Johnston" <david(dot)g(dot)johnston(at)gmail(dot)com> writes:
> To be clear, because my cursory reading of the thread that was linked from
> the commit suggested that this specific situation was more "lets catch up
> to modern times", my position isn't that such documentation changes should
> be done as a rule, I am suggesting that we give a yes/no decision on this
> specific change (in advance of bike-shedding the wording). IMO neither a
> blanket rule allowing or prohibiting such a change to the documentation
> makes sense given the rarity of the event.

Sure. My point was just that changing the back-branch documentation would
require doing additional testing to verify that the proposed value is
an improvement in those branches.

regards, tom lane

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