public inbox for [email protected]  
help / color / mirror / Atom feed
From: Tom Lane <[email protected]>
To: Bruce Momjian <[email protected]>
Cc: Jan Wieck <[email protected]>
Cc: Magnus Hagander <[email protected]>
Cc: Robins Tharakan <[email protected]>
Cc: Peter Eisentraut <[email protected]>
Cc: [email protected] <[email protected]>
Subject: Re: pg_upgrade failing for 200+ million Large Objects
Date: Sat, 20 Mar 2021 12:53:40 -0400
Message-ID: <[email protected]> (raw)
In-Reply-To: <[email protected]>
References: <[email protected]>
	<CABUevEwyLb9VE0D+bAQtUnaA7bffXYzBpopYuh7kGTQxY9T5_g@mail.gmail.com>
	<CAEP4nAw2WA1wyb9LG7BOEuN3Xr-xWiZZ0w_hKtpyvdUPKmcAJA@mail.gmail.com>
	<[email protected]>
	<CABUevEzvU07CqwGdaOmxNfDtrkY-xEcLjiN3GAmurowyCnbG7w@mail.gmail.com>
	<[email protected]>
	<[email protected]>
	<[email protected]>
	<[email protected]>

Bruce Momjian <[email protected]> writes:
> On Sat, Mar 20, 2021 at 11:23:19AM -0400, Tom Lane wrote:
>> Of course, that just reduces the memory consumption on the client
>> side; it does nothing for the locks.  Can we get away with releasing the
>> lock immediately after doing an ALTER OWNER or GRANT/REVOKE on a blob?

> Well, in pg_upgrade mode you can, since there are no other cluster
> users, but you might be asking for general pg_dump usage.

Yeah, this problem doesn't only affect pg_upgrade scenarios, so it'd
really be better to find a way that isn't dependent on binary-upgrade
mode.

			regards, tom lane





view thread (59+ messages)  latest in thread

reply

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Reply to all the recipients using the --to and --cc options:
  reply via email

  To: [email protected]
  Cc: [email protected], [email protected], [email protected], [email protected], [email protected], [email protected]
  Subject: Re: pg_upgrade failing for 200+ million Large Objects
  In-Reply-To: <[email protected]>

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

This inbox is served by agora; see mirroring instructions
for how to clone and mirror all data and code used for this inbox