Re: Back-patch of: avoid multiple hard links to same WAL file after a crash

From: Michael Paquier <michael(at)paquier(dot)xyz>
To: Noah Misch <noah(at)leadboat(dot)com>
Cc: Nathan Bossart <nathandbossart(at)gmail(dot)com>, Andres Freund <andres(at)anarazel(dot)de>, Robert Pang <robertpang(at)google(dot)com>, Kyotaro Horiguchi <horikyota(dot)ntt(at)gmail(dot)com>, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, robertmhaas(at)gmail(dot)com, pgsql-hackers(at)postgresql(dot)org
Subject: Re: Back-patch of: avoid multiple hard links to same WAL file after a crash
Date: 2025-03-12 00:46:27
Message-ID: Z9DZY8PVgXI3-b5j@paquier.xyz
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On Tue, Mar 11, 2025 at 01:57:49PM -0700, Noah Misch wrote:
> Thanks for crafting back-branch versions. I've queued a task to confirm I get
> the same result.

Thanks for that. That helps a lot.

> There's a test case I'll polish, too.

Are you considering the addition of a TAP test in 17~ based on a wait
injection point in the checkpointer coupled with a check of the server
logs to see if we see the error patterns you've spotted?
--
Michael

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