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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 16:59:44 -0400
Message-ID: <CANzqJaCNn-Pd9Zyi4KvxbZ9qqR-ND9gUk1wgHKKYtxe0z7vh=w@mail.gmail.com> (raw)
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On Mon, Apr 22, 2024 at 4:21 PM Adrian Klaver <[email protected]>
wrote:
[snip]
> Which gets us back to your comment upstream:
>
> "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)."
>
> This is a case specific to you and this particular circumstance, not a
> general rule for VACUUM FULL. If for no other reason then it might make
> more sense for the application that the CLUSTER be done on some other
> index then the PK.
>
On Stack Exchange, I've got a question on how to determine when to run
CLUSTER. It ties in strongly with this thread..
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