Re: BUG #17212: pg_amcheck fails on checking temporary relations

From: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
To: Andrew Dunstan <andrew(at)dunslane(dot)net>
Cc: Peter Geoghegan <pg(at)bowt(dot)ie>, Mark Dilger <mark(dot)dilger(at)enterprisedb(dot)com>, Robert Haas <robertmhaas(at)gmail(dot)com>, Pavel Borisov <pashkin(dot)elfe(at)gmail(dot)com>, Alexander Lakhin <exclusion(at)gmail(dot)com>, PostgreSQL-development <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: BUG #17212: pg_amcheck fails on checking temporary relations
Date: 2021-10-14 21:09:23
Message-ID: 903461.1634245763@sss.pgh.pa.us
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Andrew Dunstan <andrew(at)dunslane(dot)net> writes:
> On 10/14/21 12:15 AM, Tom Lane wrote:
>> Looks like a transient/phase of the moon issue to me.

> Bowerbird is having similar issues, so I don't think this is just a
> transient.

Yeah, I noticed that too today, and poked around a bit. But I don't
see what this test is doing differently from other tests that
bowerbird is running successfully. It's failing while trying to crank
up a replica using init_from_backup, which has lots of precedent.

I do see that bowerbird is skipping some comparable tests due
to using "--skip-steps misc-check". But it's not skipping,
eg, pg_rewind's 008_min_recovery_point.pl; and the setup steps
in that sure look just the same. What's different?

(BTW, I wondered if PostgresNode->new's own_host hack could fix this.
But AFAICS that's dead code, with no existing test using it. Seems
like we should nuke it.)

regards, tom lane

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