Re: PG15 beta1 sort performance regression due to Generation context change

From:	David Rowley <dgrowleyml(at)gmail(dot)com>
To:	Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
Cc:	Tomas Vondra <tomas(dot)vondra(at)enterprisedb(dot)com>, Heikki Linnakangas <hlinnaka(at)iki(dot)fi>, PostgreSQL-development <pgsql-hackers(at)postgresql(dot)org>
Subject:	Re: PG15 beta1 sort performance regression due to Generation context change
Date:	2022-05-23 22:09:18
Message-ID:	CAApHDvoZr6baHqUzvPAqr9f4ehY7EMdfphKyR+hc8_mT9WR9ww@mail.gmail.com
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Thread:	2022-05-20 05:56:06 from David Rowley <dgrowleyml(at)gmail(dot)com>  2022-05-20 10:01:31 from Heikki Linnakangas <hlinnaka(at)iki(dot)fi>   2022-05-23 20:32:10 from Tomas Vondra <tomas(dot)vondra(at)enterprisedb(dot)com>    2022-05-23 20:47:51 from Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>     2022-05-23 20:52:10 from Tomas Vondra <tomas(dot)vondra(at)enterprisedb(dot)com>      2022-05-23 21:20:36 from David Rowley <dgrowleyml(at)gmail(dot)com>       2022-05-23 21:36:37 from Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>        2022-05-23 21:56:46 from David Rowley <dgrowleyml(at)gmail(dot)com>         2022-05-23 22:04:15 from Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>        2022-05-23 22:02:11 from Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>         2022-05-23 22:09:18 from David Rowley <dgrowleyml(at)gmail(dot)com>          2022-05-23 22:30:30 from Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>        2022-05-23 23:05:34 from Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>        2022-05-24 12:20:59 from David Rowley <dgrowleyml(at)gmail(dot)com> 📎         2022-05-24 16:01:58 from Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> 📎          2022-05-25 00:39:15 from Andres Freund <andres(at)anarazel(dot)de>           2022-05-25 01:23:07 from Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>           2022-05-27 13:12:37 from Yura Sokolov <y(dot)sokolov(at)postgrespro(dot)ru>            2022-05-27 14:51:38 from Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>             2022-05-30 21:37:16 from David Rowley <dgrowleyml(at)gmail(dot)com> 📎              2022-05-30 21:48:18 from Peter Geoghegan <pg(at)bowt(dot)ie>               2022-05-30 22:04:36 from David Rowley <dgrowleyml(at)gmail(dot)com>              2022-05-31 05:39:51 from David Rowley <dgrowleyml(at)gmail(dot)com> 📎             2022-05-31 14:51:25 from Robert Haas <robertmhaas(at)gmail(dot)com>              2022-05-31 15:09:11 from Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>               2022-05-31 16:03:44 from Robert Haas <robertmhaas(at)gmail(dot)com>                2022-06-02 08:20:40 from John Naylor <john(dot)naylor(at)enterprisedb(dot)com> 📎                 2022-06-02 21:37:02 from David Rowley <dgrowleyml(at)gmail(dot)com>                  2022-06-02 23:12:48 from Robert Haas <robertmhaas(at)gmail(dot)com>               2022-06-03 03:13:43 from David Rowley <dgrowleyml(at)gmail(dot)com>                2022-06-03 04:02:51 from John Naylor <john(dot)naylor(at)enterprisedb(dot)com>                 2022-07-12 05:15:08 from David Rowley <dgrowleyml(at)gmail(dot)com>                  2022-07-13 04:13:58 from David Rowley <dgrowleyml(at)gmail(dot)com>                   2022-07-13 13:23:00 from "Jonathan S(dot) Katz" <jkatz(at)postgresql(dot)org>                    2022-07-13 15:32:12 from Andres Freund <andres(at)anarazel(dot)de>                     2022-07-15 20:36:59 from Tomas Vondra <tomas(dot)vondra(at)enterprisedb(dot)com>                      2022-07-15 20:42:14 from "Jonathan S(dot) Katz" <jkatz(at)postgresql(dot)org>                       2022-07-15 20:56:12 from Andres Freund <andres(at)anarazel(dot)de>                      2022-07-15 20:54:12 from Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>                       2022-07-15 22:40:11 from "Jonathan S(dot) Katz" <jkatz(at)postgresql(dot)org>                        2022-07-15 22:41:49 from "Jonathan S(dot) Katz" <jkatz(at)postgresql(dot)org>                        2022-07-15 22:52:11 from Andres Freund <andres(at)anarazel(dot)de>                         2022-07-16 00:01:54 from "Jonathan S(dot) Katz" <jkatz(at)postgresql(dot)org>                        2022-07-15 23:12:07 from David Rowley <dgrowleyml(at)gmail(dot)com>                         2022-07-15 23:27:47 from "Jonathan S(dot) Katz" <jkatz(at)postgresql(dot)org>                          2022-07-16 00:25:00 from Justin Pryzby <pryzby(at)telsasoft(dot)com>             2022-06-02 11:34:11 from Yura Sokolov <y(dot)sokolov(at)postgrespro(dot)ru>          2022-05-25 03:09:09 from David Rowley <dgrowleyml(at)gmail(dot)com> 📎           2022-05-25 12:35:27 from David Rowley <dgrowleyml(at)gmail(dot)com> 📎    2022-05-23 20:50:47 from David Rowley <dgrowleyml(at)gmail(dot)com>  2022-05-24 00:49:32 from "Jonathan S(dot) Katz" <jkatz(at)postgresql(dot)org>
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• Re: PG15 beta1 sort performance regression due to Generation context change at 2022-05-23 22:02:11 from Tom Lane

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• Re: PG15 beta1 sort performance regression due to Generation context change at 2022-05-23 22:30:30 from Tom Lane

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