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From: Tom Lane <tgl@sss.pgh.pa.us>
To: Andres Freund <andres@anarazel.de>
Cc: Michael Paquier <michael@paquier.xyz>
Cc: Postgres hackers <pgsql-hackers@lists.postgresql.org>
Subject: Re: REINDEX INDEX results in a crash for an index of pg_class since 9.6
Date: Tue, 30 Apr 2019 18:24:40 -0400
Message-ID: <28313.1556663080@sss.pgh.pa.us> (raw)
In-Reply-To: <20190430221045.6slpi2vm2noda5jb@alap3.anarazel.de>
References: <BC406D10-146C-4495-AC5E-492CADBFA144@anarazel.de>
	<26528.1556599820@sss.pgh.pa.us>
	<20190430070552.jzqgcy4ihalx7nur@alap3.anarazel.de>
	<30579.1556639470@sss.pgh.pa.us>
	<20190430173457.pg6i6urvevse5jer@alap3.anarazel.de>
	<29546.1556647550@sss.pgh.pa.us>
	<20190430182741.s6o7mo5ebmgxxi5x@alap3.anarazel.de>
	<16277.1556649660@sss.pgh.pa.us>
	<20190430190308.kga2z5oz7vab7w22@alap3.anarazel.de>
	<17996.1556651503@sss.pgh.pa.us>
	<20190430221045.6slpi2vm2noda5jb@alap3.anarazel.de>

Andres Freund <andres@anarazel.de> writes:
> I'm not wild to go for a separate TAP test. A separate initdb cycle for
> a a tests that takes about 30ms seems a bit over the top.

Fair enough.

> So I'm
> inclined to either try running it in a serial step on the buildfarm
> (survived a few dozen cycles with -DRELCACHE_FORCE_RELEASE
> -DCATCACHE_FORCE_RELEASE, and a few with -DCLOBBER_CACHE_ALWAYS), or
> just remove them alltogether. Or remove it alltogether until we fix
> this.  Since you indicated a preference agains the former, I'll remove
> it in a bit until I hear otherwise.

> I'll add it to my todo list to try to fix the concurrency issues for 13.

If you're really expecting to have a go at that during the v13 cycle,
I think we could live without these test cases till then.

			regards, tom lane





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