Horton

Re: Atomic ops for unlogged LSN

Nathan Bossart <nathandbossart@gmail.com>

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From: Nathan Bossart <nathandbossart@gmail.com>
To: John Morris <john.morris@crunchydata.com>
Cc: Bharath Rupireddy <bharath.rupireddyforpostgres@gmail.com>, Andres Freund <andres@anarazel.de>, Stephen Frost <sfrost@snowman.net>, Michael Paquier <michael@paquier.xyz>, Robert Haas <robertmhaas@gmail.com>, "pgsql-hackers@postgresql.org" <pgsql-hackers@postgresql.org>
Date: 2023-10-26T20:34:33Z
Lists: pgsql-hackers 
On Thu, Oct 26, 2023 at 03:00:58PM +0000, John Morris wrote:
> Keeping things up to date.  Here is a rebased patch with no changes from previous one.

This patch looks a little different than the last version I see posted [0].
That last version of the patch (which appears to be just about committable)
still applies for me, too.

[0] https://postgr.es/m/BYAPR13MB2677ED1797C81779D17B414CA03EA%40BYAPR13MB2677.namprd13.prod.outlook.com

-- 
Nathan Bossart
Amazon Web Services: https://aws.amazon.com

Commits

  1. Convert unloggedLSN to an atomic variable.

  2. Introduce atomic read/write functions with full barrier semantics.