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help / color / mirror / Atom feedFrom: Ron Johnson <[email protected]>
To: pgsql-general <[email protected]>
Subject: Re: CLUSTER vs. VACUUM FULL
Date: Mon, 22 Apr 2024 11:37:33 -0400
Message-ID: <CANzqJaDocQZNhD8CpGS7ae82tVeuL5-reoKy0_Y6=RKuTh6qwQ@mail.gmail.com> (raw)
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On Mon, Apr 22, 2024 at 10:25 AM Tom Lane <[email protected]> wrote:
> Marcos Pegoraro <[email protected]> writes:
> > But wouldn't it be good that VACUUM FULL uses that index defined by
> > Cluster, if it exists ?
>
> No ... what would be the difference then?
>
What the VACUUM docs "should" do, it seems, is suggest CLUSTER on the PK,
if the PK is a sequence (whether that be an actual sequence, or a timestamp
or something else that grows monotonically).
That's because the data is already roughly in PK order.
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Subject: Re: CLUSTER vs. VACUUM FULL
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