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Re: conchuela timeouts since 2021-10-09 system upgrade

Andrey Borodin <x4mmm@yandex-team.ru>

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From: Andrey Borodin <x4mmm@yandex-team.ru>
To: Thomas Munro <thomas.munro@gmail.com>
Cc: Tom Lane <tgl@sss.pgh.pa.us>, Noah Misch <noah@leadboat.com>, PostgreSQL mailing lists <pgsql-bugs@lists.postgresql.org>, Michael Paquier <michael@paquier.xyz>, Peter Geoghegan <pg@bowt.ie>, Andres Freund <andres@anarazel.de>
Date: 2021-10-29T06:39:34Z
Lists: pgsql-bugs 

> 29 окт. 2021 г., в 08:42, Thomas Munro <thomas.munro@gmail.com> написал(а):
> 
> On Fri, Oct 29, 2021 at 4:20 PM Tom Lane <tgl@sss.pgh.pa.us> wrote:
>> It indeed is looking like 7f580aa made the problem go away on conchuela,
>> but do we understand why?  The only theory I can think of is "kernel bug",
>> but while that's plausible for prairiedog it seems hard to credit for a
>> late-model BSD kernel.
> 
> I have yet to even log into a DBSD system (my attempt to install the
> 6.0.1 ISO on bhyve failed for lack of a driver, or something), but I
> do intend to get it working at some point. 

Here's an exported VM https://storage.yandexcloud.net/freebsd/dffb.ova if it's of any use.
root password is P@ssw0rd

To reproduce
cd postgres/contrib/amcheck
su x4m
/tesh.sh

Best regards, Andrey Borodin.

Commits

Same data as JSON: GET /api/v1/messages/:b64id/commits the thread's linked commits as JSON, with link sources. API reference →

  1. Improve contrib/amcheck's tests for CREATE INDEX CONCURRENTLY.

  2. Fix minor memory leaks in pg_dump.

  3. Avoid race in RelationBuildDesc() affecting CREATE INDEX CONCURRENTLY.

  4. Fix CREATE INDEX CONCURRENTLY for the newest prepared transactions.

  5. Add -w back to the flags for pg_ctl (re)start in PostgresNode

  6. Fix CREATE INDEX CONCURRENTLY for simultaneous prepared transactions.