| From: | Michael Paquier <michael(at)paquier(dot)xyz> |
|---|---|
| To: | Noah Misch <noah(at)leadboat(dot)com> |
| Cc: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, 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>, 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: | 2025-04-05 22:42:02 |
| Message-ID: | Z_GxukueQn7lDs1u@paquier.xyz |
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| Lists: | pgsql-hackers |
On Sat, Apr 05, 2025 at 12:13:39PM -0700, Noah Misch wrote:
> Since the 2025-02 releases made non-toy-size archive recoveries fail easily,
> that's not enough. If the proposed 3-second test is the wrong thing, what
> instead?
I don't have a good idea about that in ~16, TBH, but I am sure to not
be a fan of the low reproducibility rate of this test as proposed.
It's not perfect, but as the design to fix the original race condition
has been introduced in v15, why not begin with a test in 17~ using
some injection points? This should be good enough while having a good
reproduction rate as the order of the actions in the restart points
would be controlled.
--
Michael
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