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_arfJajI7RPt7ZJ@nathan
обсуждение исходный текст
Ответ на Re: Horribly slow pg_upgrade performance with many Large Objects  (Tom Lane <tgl@sss.pgh.pa.us>)
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On Tue, Apr 08, 2025 at 01:51:22PM -0400, Tom Lane wrote:
> Nathan Bossart <nathandbossart@gmail.com> writes:
>> On Tue, Apr 08, 2025 at 01:36:58PM -0400, Tom Lane wrote:
>>> Hmm ... one annoying thing for this project is that AFAICS pg_upgrade
>>> does *not* preserve database OIDs, which is problematic for using
>>> COPY to load pg_shdepend rows.
> 
>> I think it does; see commit aa01051.
> 
> Ah --- I thought I remembered something having been done about that,
> but I failed to find it because I was looking in pg_upgrade not
> pg_dump.  Too bad aa01051 didn't update the comment at the top of
> pg_upgrade.c.

I'll apply the attached patch to fix the comment shortly.

-- 
nathan

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