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help / color / mirror / Atom feedFrom: Nathan Bossart <[email protected]>
To: Hannu Krosing <[email protected]>
Cc: Tom Lane <[email protected]>
Cc: PostgreSQL Hackers <[email protected]>
Subject: Re: Horribly slow pg_upgrade performance with many Large Objects
Date: Wed, 9 Apr 2025 12:17:32 -0500
Message-ID: <Z_arrB_gbpUSpFKW@nathan> (raw)
In-Reply-To: <CAMT0RQQFZHZvftObnG9OAHE=bOhuVA_ymp6pG+dLfS66o-EGNA@mail.gmail.com>
References: <Z_VE4Q4A2nNCX3Ny@nathan>
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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 <[email protected]> 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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To: [email protected]
Cc: [email protected], [email protected], [email protected], [email protected]
Subject: Re: Horribly slow pg_upgrade performance with many Large Objects
In-Reply-To: <Z_arrB_gbpUSpFKW@nathan>
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