From: Bruce Momjian <bruce@momjian.us>
To: Justin Pryzby <pryzby@telsasoft.com>
Cc: pgsql-hackers@postgresql.org
Subject: Re: PG 14 release notes, first draft
Date: Thu, 20 May 2021 15:59:02 -0400
Message-ID: <20210520195902.GE8971@momjian.us> (raw)
In-Reply-To: <20210520195518.GF3676@telsasoft.com>
References: <20210510060308.GC6088@momjian.us>
<20210519143908.GU373@telsasoft.com>
<20210520194446.GD8971@momjian.us>
<20210520195518.GF3676@telsasoft.com>
On Thu, May 20, 2021 at 02:55:18PM -0500, Justin Pryzby wrote:
> On Thu, May 20, 2021 at 03:44:46PM -0400, Bruce Momjian wrote:
> > > | Reduce the default value of vacuum_cost_page_miss (Peter Geoghegan)
> > > | This new default better reflects current hardware capabilities.
> > > Also say: the previous default was 10.
> >
> > Uh, we didn't report the new value, so why report the old one?
>
> Good point.
> For symmetry with this one, maybe the old and new values should be included?
Not sure. Those values are kind of hard to understand, so I am afraid
there would be more confusion by mentioning them.
> |Change checkpoint_completion_target default to 0.9 (Stephen Frost)
> |The previous default was 0.5.
Uh, that one is frequently modified by users, to an extent I didn't
understand why we kept it at 0.5 for so long, which is why I mentioned
it.
--
Bruce Momjian <bruce@momjian.us> https://momjian.us
EDB https://enterprisedb.com
If only the physical world exists, free will is an illusion.
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To: pgsql-hackers@postgresql.org
Cc: bruce@momjian.us, pryzby@telsasoft.com
Subject: Re: PG 14 release notes, first draft
In-Reply-To: <20210520195902.GE8971@momjian.us>
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