Re: Horribly slow pg_upgrade performance with many Large Objects

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От Nathan Bossart
Тема Re: Horribly slow pg_upgrade performance with many Large Objects
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Msg-id Z_arrB_gbpUSpFKW@nathan
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Ответ на Re: Horribly slow pg_upgrade performance with many Large Objects  (Hannu Krosing <hannuk@google.com>)
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On Tue, Apr 08, 2025 at 09:41:06PM +0200, Hannu Krosing wrote:
> On Tue, Apr 8, 2025 at 8:39 PM Nathan Bossart <nathandbossart@gmail.com> wrote:
>> I've also verified that the dependency information is carried over in
>> upgrades to later versions (AFAICT all the supported ones).
> 
> If I remember correctly the change to not copying
> pg_largeobject_metadata data file but instead moving LOs as part of
> schema was done in v12 when oid,, which had been a system column in
> v11, became a user column, so upgrade to v11 is likely also missing
> the dependencies

Right.

-- 
nathan



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