On Thu, Feb 05, 2026 at 02:30:28PM -0600, Nathan Bossart wrote:
> On Thu, Feb 05, 2026 at 03:23:38PM -0500, Andres Freund wrote:
>> On 2026-02-05 13:31:23 -0600, Nathan Bossart wrote:
>>> In theory, we could update the pg_largeobject_metadata query to only
>>> retrieve LOs with comments and security labels. I'm not sure it's worth
>>> trying to optimize further than that; we've long operated under the
>>> assumption that comments/seclabels on LOs are pretty rare.
>>
>> I think that'd be a huge improvement. Right now it's not hard to get into a
>> situation where you have too many LOs to not have enough memory to do a
>> pg_upgrade.
>
> It seems to work. I'm working on a nicer patch for all this stuff.
Here is what I have so far.
--
nathan
