Re: CLUSTER vs. VACUUM FULL

From: Ron Johnson <ronljohnsonjr(at)gmail(dot)com>
To: Adrian Klaver <adrian(dot)klaver(at)aklaver(dot)com>
Cc: pgsql-general <pgsql-general(at)postgresql(dot)org>
Subject: Re: CLUSTER vs. VACUUM FULL
Date: 2024-04-22 21:35:57
Message-ID: CANzqJaDnZutXz9-T2_7OMofTHVk6mfnOW_gLJhDdNiUFtbyGMg@mail.gmail.com
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On Mon, Apr 22, 2024 at 5:03 PM Adrian Klaver <adrian(dot)klaver(at)aklaver(dot)com>
wrote:

> On 4/22/24 13:59, Ron Johnson wrote:
> > On Mon, Apr 22, 2024 at 4:21 PM Adrian Klaver <adrian(dot)klaver(at)aklaver(dot)com
> > <mailto:adrian(dot)klaver(at)aklaver(dot)com>> 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..
> >
>
> And the link is?
>

Sorry. Got distracted by the answer.

https://dba.stackexchange.com/questions/338870/when-to-rerun-cluster

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