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	Mon, 6 Jun 2016 10:15:28 -0400
From: Tom Lane <tgl@sss.pgh.pa.us>
To: Robert Haas <robertmhaas@gmail.com>
cc: Masahiko Sawada <sawada.mshk@gmail.com>,
        Andres Freund <andres@anarazel.de>,
        "pgsql-hackers@postgresql.org" <pgsql-hackers@postgresql.org>
Subject: Re: Reviewing freeze map code
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Comments: In-reply-to Robert Haas <robertmhaas@gmail.com>
	message dated "Mon, 06 Jun 2016 10:06:09 -0400"
Date: Mon, 06 Jun 2016 10:15:28 -0400
Message-ID: <6254.1465222528@sss.pgh.pa.us>
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Robert Haas <robertmhaas@gmail.com> writes:
> On Mon, Jun 6, 2016 at 9:53 AM, Tom Lane <tgl@sss.pgh.pa.us> wrote:
>> Taking out GUCs is not
>> easier than taking out statement parameters; you risk breaking
>> applications either way.

> Agreed, but that doesn't really answer the question of which one we
> should have, if either.  My gut feeling on this is to either do
> nothing or add a VACUUM option (not a GUC, not a reloption) called
> even_frozen_pages, default false.  What is your opinion?

That's about where I stand, with some preference for "do nothing".
I'm not convinced we need this.

			regards, tom lane


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