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help / color / mirror / Atom feedFrom: Nathan Bossart <[email protected]>
To: Bharath Rupireddy <[email protected]>
Cc: David Rowley <[email protected]>
Cc: Jim Nasby <[email protected]>
Cc: Sami Imseih <[email protected]>
Cc: Greg Burd <[email protected]>
Cc: Robert Haas <[email protected]>
Cc: Robert Treat <[email protected]>
Cc: Jeremy Schneider <[email protected]>
Cc: pgsql-hackers <[email protected]>
Subject: Re: another autovacuum scheduling thread
Date: Wed, 25 Mar 2026 16:18:48 -0500
Message-ID: <acRROBvlokDLQZlh@nathan> (raw)
In-Reply-To: <CALj2ACUTuHZugAgbDk-NNPY_CPbw+c4T=HkRvvqq-FKqnVb24A@mail.gmail.com>
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On Wed, Mar 25, 2026 at 02:12:16PM -0700, Bharath Rupireddy wrote:
> Would it make sense to recompute scores and re-sort the remaining
> table list after each table is processed in do_autovacuum()'s main
> loop - say, after a certain amount of time spent vacuuming the large
> table(s)? This would catch the above scenarios. I see that the scores
> per table are being calculated in relation_needs_vacanalyze, but they
> are ignored in the recheck path (table_recheck_autovac ->
> recheck_relation_needs_vacanalyze -> relation_needs_vacanalyze).
I think this was discussed a bit upthread, and we decided to leave it out
for now. But things like reprioritization and automatic cost limit
adjustments seem worth considering for v20.
--
nathan
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To: [email protected]
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Subject: Re: another autovacuum scheduling thread
In-Reply-To: <acRROBvlokDLQZlh@nathan>
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