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From: Michael Paquier <[email protected]>
To: Bertrand Drouvot <[email protected]>
Cc: Nathan Bossart <[email protected]>
Cc: Magnus Hagander <[email protected]>
Cc: PostgreSQL Developers <[email protected]>
Cc: Imseih (AWS), Sami <[email protected]>
Subject: Re: Vacuum timing in pg_stat_all_tables
Date: Thu, 1 May 2025 07:41:21 +0900
Message-ID: <[email protected]> (raw)
In-Reply-To: <[email protected]>
References: <CABUevEz9v1ZNToPyD98JnWDGZgG=SmPZKkSNzU9hXQ-nGTQF0g@mail.gmail.com>
	<Z8cUFTCRFZQIFIYV@nathan>
	<[email protected]>
	<[email protected]>

On Wed, Mar 12, 2025 at 10:52:57AM +0000, Bertrand Drouvot wrote:
> Note that it does not add extra explanation to "cost-based delay". If we feel the
> need we could add a link to "<xref linkend="runtime-config-resource-vacuum-cost"/>"
> like it has been done for delay_time in bb8dff9995f.

Sorry for the delay, this has been sitting in my inbox for some time,
and I am catching with some of my backlog.

       <para>
-       Total time this table has been manually vacuumed, in milliseconds
+       Total time this table has been manually vacuumed, in milliseconds. (This
+       includes the time spent sleeping due to cost-based delay.)
       </para></entry>

Hmm, okay, adding this information to these four new fields is fine
here, so I'll apply that on HEAD shortly.  I can see that this matches
with the style used for some of the other fields, like n_tup_upd for the
details regarding HOT.
--
Michael


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