Re: pg_upgrade failing for 200+ million Large Objects

From: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
To: Jan Wieck <jan(at)wi3ck(dot)info>
Cc: Bruce Momjian <bruce(at)momjian(dot)us>, Zhihong Yu <zyu(at)yugabyte(dot)com>, Andrew Dunstan <andrew(at)dunslane(dot)net>, Magnus Hagander <magnus(at)hagander(dot)net>, Robins Tharakan <tharakan(at)gmail(dot)com>, Peter Eisentraut <peter(dot)eisentraut(at)enterprisedb(dot)com>, "pgsql-hackers(at)postgresql(dot)org" <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: pg_upgrade failing for 200+ million Large Objects
Date: 2021-03-23 20:55:50
Message-ID: 1010642.1616532950@sss.pgh.pa.us
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Jan Wieck <jan(at)wi3ck(dot)info> writes:
> Have we even reached a consensus yet on that doing it the way, my patch
> is proposing, is the right way to go? Like that emitting BLOB TOC
> entries into SECTION_DATA when in binary upgrade mode is a good thing?
> Or that bunching all the SQL statements for creating the blob, changing
> the ACL and COMMENT and SECLABEL all in one multi-statement-query is.

Now you're asking for actual review effort, which is a little hard
to come by towards the tail end of the last CF of a cycle. I'm
interested in this topic, but I can't justify spending much time
on it right now.

regards, tom lane

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