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Re: Maybe we should reduce SKIP_PAGES_THRESHOLD a bit? - Mailing list pgsql-hackers

From Robert Haas
Subject Re: Maybe we should reduce SKIP_PAGES_THRESHOLD a bit?
Date
Msg-id CA+TgmoYog3UDmB5nEeAnG7S+awNDCe1ddK=Sv0J_F4n+vdibew@mail.gmail.com
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In response to Re: Maybe we should reduce SKIP_PAGES_THRESHOLD a bit?  (Melanie Plageman <melanieplageman@gmail.com>)
Responses Re: Maybe we should reduce SKIP_PAGES_THRESHOLD a bit?
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On Tue, Dec 17, 2024 at 12:06 PM Melanie Plageman
<melanieplageman@gmail.com> wrote:
> I think your tests show SKIP_PAGES_THRESHOLD has dubious if any
> benefit related to readahead. But the question is if we care about it
> for advancing relfrozenxid for small tables.

It seems like relfrozenxid advancement is really only a problem for
big tables. If the table is small, the eventual aggressive vacuum
doesn't cost that much.

--
Robert Haas
EDB: http://www.enterprisedb.com

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