Re: MultiXact\SLRU buffers configuration

x4mmm@yandex-team.ru

From: Andrey Borodin <x4mmm@yandex-team.ru>
To: Gilles Darold <gilles@darold.net>
Cc: Tomas Vondra <tomas.vondra@enterprisedb.com>, Tomas Vondra <tomas.vondra@2ndquadrant.com>, Alexander Korotkov <aekorotkov@gmail.com>, Anastasia Lubennikova <a.lubennikova@postgrespro.ru>, Daniel Gustafsson <daniel@yesql.se>, Kyotaro Horiguchi <horikyota.ntt@gmail.com>, pgsql-hackers <pgsql-hackers@postgresql.org>
Date: 2020-12-08T17:52:52Z
Lists: pgsql-hackers

Attachments

Hi Gilles!

Many thanks for your message!

> 8 дек. 2020 г., в 21:05, Gilles Darold <gilles@darold.net> написал(а):
> 
> I know that this report is not really helpful 

Quite contrary - this benchmarks prove that controllable reproduction exists. I've rebased patches for PG11. Can you please benchmark them (without extending SLRU)?

Best regards, Andrey Borodin.

Commits

  1. Rework new SLRU test with injection points

  2. injection_point: Add injection_points.stats

  3. injection_points: Add initialization of shmem state when loading module

  4. Add injection-point test for new multixact CV usage

  5. Use conditional variable to wait for next MultiXact offset

  6. Improve performance of subsystems on top of SLRU

  7. Adjust VACUUM hastup LP_REDIRECT comments.

  8. Test replay of regression tests, attempt II.