Re: BUG: deadlock between autovacuum worker and client backend during removal of orphan temp tables with sequences
Akshat Jaimini <destrex271@gmail.com>
From: Akshat Jaimini <destrex271@gmail.com>
To: Tom Lane <tgl@sss.pgh.pa.us>
Cc: pgsql-hackers@lists.postgresql.org, Mikhail Zhilin <m.zhilin@postgrespro.ru>
Date: 2024-04-04T09:51:48Z
Lists: pgsql-bugs, pgsql-hackers
Hi apologies for the late reply. > Maybe you forgot to recompile/reinstall after updating past that commit? I did recompile it earlier but just to be sure I followed the steps again and now its working! Regards, Akshat Jaimini On Wed, Apr 3, 2024 at 12:34 AM Tom Lane <tgl@sss.pgh.pa.us> wrote: > Akshat Jaimini <destrex271@gmail.com> writes: > > The code seems to implement the feature and has good and explanatory > comments associated with it. > > I believe we can go ahead with committing patch although I would request > some senior contributors to also take a look at this patch since I am > relatively new to patch reviews. > > Looks like a good catch and a reasonable fix. Pushed after rewriting > the comments a bit. > > As far as this goes: > > > I ran make installcheck-world after applying the patch and recompiling > it. It did fail for a particular test but from the logs it seems to be > unrelated to this particular patch since it fails for the following: > > > ========================== > > select error_trap_test(); > > - error_trap_test > > ---------------------------- > > - division_by_zero detected > > -(1 row) > > - > > +ERROR: cannot start subtransactions during a parallel operation > > ... that's the test case from 0075d7894, and the failure is what > I'd expect from a backend older than that. Maybe you forgot to > recompile/reinstall after updating past that commit? > > regards, tom lane >
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Avoid deadlock during orphan temp table removal.
- 6faca9ae2878 17.0 landed
- f5d9212e5391 12.19 landed
- cbfbb14bd7de 16.3 landed
- ca392df8dd18 14.12 landed
- 4fb56a734d4c 15.7 landed
- 4afc2c219d70 13.15 landed