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help / color / mirror / Atom feedFrom: Alvaro Herrera <[email protected]>
To: Antonin Houska <[email protected]>
Cc: Pavel Stehule <[email protected]>
Cc: Michael Paquier <[email protected]>
Cc: PostgreSQL Hackers <[email protected]>
Subject: Re: why there is not VACUUM FULL CONCURRENTLY?
Date: Thu, 7 Mar 2024 18:56:46 +0100
Message-ID: <[email protected]> (raw)
In-Reply-To: <6347.1708105409@antos>
On 2024-Feb-16, Antonin Houska wrote:
> BTW, I'm failing to understand why cluster_rel() has no argument of the
> BufferAccessStrategy type. According to buffer/README, the criterion for using
> specific strategy is that page "is unlikely to be needed again
> soon". Specifically for cluster_rel(), the page will *definitely* not be used
> again (unless the VACCUM FULL/CLUSTER command fails): BufferTag contains the
> relatin file number and the old relation file is eventually dropped.
>
> Am I missing anything?
No, that's just an oversight. Access strategies are newer than that
cluster code.
--
Álvaro Herrera 48°01'N 7°57'E — https://www.EnterpriseDB.com/
"Most hackers will be perfectly comfortable conceptualizing users as entropy
sources, so let's move on." (Nathaniel Smith)
https://mail.gnu.org/archive/html/monotone-devel/2007-01/msg00080.html
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To: [email protected]
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Subject: Re: why there is not VACUUM FULL CONCURRENTLY?
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