Re: O(n) tasks cause lengthy startups and checkpoints

From:	Nathan Bossart <nathandbossart(at)gmail(dot)com>
To:	Bharath Rupireddy <bharath(dot)rupireddyforpostgres(at)gmail(dot)com>
Cc:	Simon Riggs <simon(dot)riggs(at)enterprisedb(dot)com>, Robert Haas <robertmhaas(at)gmail(dot)com>, Andres Freund <andres(at)anarazel(dot)de>, "Bossart, Nathan" <bossartn(at)amazon(dot)com>, Maxim Orlov <orlovmg(at)gmail(dot)com>, Amul Sul <sulamul(at)gmail(dot)com>, Bruce Momjian <bruce(at)momjian(dot)us>, "pgsql-hackers(at)postgresql(dot)org" <pgsql-hackers(at)postgresql(dot)org>
Subject:	Re: O(n) tasks cause lengthy startups and checkpoints
Date:	2023-02-03 05:48:08
Message-ID:	20230203054808.GA83788@nathanxps13
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19:03:17 from "Bossart, Nathan" <bossartn(at)amazon(dot)com> 📎         2021-12-13 13:53:37 from Robert Haas <robertmhaas(at)gmail(dot)com>          2021-12-13 17:19:35 from Justin Pryzby <pryzby(at)telsasoft(dot)com>           2021-12-13 18:30:43 from "Bossart, Nathan" <bossartn(at)amazon(dot)com>          2021-12-13 18:21:02 from "Bossart, Nathan" <bossartn(at)amazon(dot)com>           2021-12-13 20:36:24 from Robert Haas <robertmhaas(at)gmail(dot)com>            2021-12-13 23:05:46 from "Bossart, Nathan" <bossartn(at)amazon(dot)com>             2021-12-14 16:59:50 from Bruce Momjian <bruce(at)momjian(dot)us>              2021-12-14 20:09:59 from "Bossart, Nathan" <bossartn(at)amazon(dot)com>               2021-12-14 20:13:38 from "Bossart, Nathan" <bossartn(at)amazon(dot)com>                2021-12-14 20:23:57 from "Bossart, Nathan" <bossartn(at)amazon(dot)com> 📎                 2022-01-02 21:26:01 from Andres Freund <andres(at)anarazel(dot)de>                  2022-01-03 06:59:04 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                                    2022-06-23 11:58:15 from Simon Riggs <simon(dot)riggs(at)enterprisedb(dot)com>                                      2022-06-23 13:46:28 from Robert Haas <robertmhaas(at)gmail(dot)com>                                       2022-06-23 17:13:26 from Simon Riggs <simon(dot)riggs(at)enterprisedb(dot)com>                                       2022-06-23 17:15:52 from Nathan Bossart <nathandbossart(at)gmail(dot)com>                                        2022-06-24 10:45:22 from Simon Riggs <simon(dot)riggs(at)enterprisedb(dot)com>                                         2022-07-02 22:05:54 from Nathan Bossart <nathandbossart(at)gmail(dot)com> 📎                                          2022-07-02 22:54:56 from Andres Freund <andres(at)anarazel(dot)de>                                           2022-07-03 17:07:54 from Nathan Bossart <nathandbossart(at)gmail(dot)com>                                            2022-07-03 17:27:32 from Andres Freund 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<simon(dot)riggs(at)enterprisedb(dot)com>                                                     2022-11-27 23:34:34 from Nathan Bossart <nathandbossart(at)gmail(dot)com> 📎                                                      2022-11-28 13:08:57 from Simon Riggs <simon(dot)riggs(at)enterprisedb(dot)com>                                                       2022-11-28 18:31:29 from Andres Freund <andres(at)anarazel(dot)de>                                                        2022-11-28 18:37:01 from Robert Haas <robertmhaas(at)gmail(dot)com>                                                         2022-11-28 23:40:39 from Nathan Bossart <nathandbossart(at)gmail(dot)com> 📎                                                          2022-11-29 12:02:44 from Simon Riggs <simon(dot)riggs(at)enterprisedb(dot)com>                                                           2022-11-30 03:56:53 from Nathan Bossart <nathandbossart(at)gmail(dot)com> 📎                                                            2022-11-30 05:18:33 from Nathan Bossart <nathandbossart(at)gmail(dot)com> 📎                                                             2022-11-30 11:22:44 from Bharath Rupireddy <bharath(dot)rupireddyforpostgres(at)gmail(dot)com>                                                              2022-11-30 11:57:10 from Bharath Rupireddy <bharath(dot)rupireddyforpostgres(at)gmail(dot)com>                                                               2022-12-01 21:40:26 from Nathan Bossart <nathandbossart(at)gmail(dot)com> 📎                                                                2022-12-02 06:41:35 from Bharath Rupireddy <bharath(dot)rupireddyforpostgres(at)gmail(dot)com>                                                                 2022-12-02 19:15:07 from Nathan Bossart <nathandbossart(at)gmail(dot)com>                                                                  2022-12-06 07:28:28 from Bharath Rupireddy <bharath(dot)rupireddyforpostgres(at)gmail(dot)com>                                                                   2023-02-03 05:48:08 from Nathan Bossart <nathandbossart(at)gmail(dot)com> 📎                                                                    2023-02-17 23:43:44 from Nathan Bossart <nathandbossart(at)gmail(dot)com> 📎                                                                     2023-04-02 17:40:05 from Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>                                                                      2023-04-02 18:42:26 from Andres Freund <andres(at)anarazel(dot)de>                                                                       2023-04-02 19:50:05 from Nathan Bossart <nathandbossart(at)gmail(dot)com>                                                                        2023-04-02 20:37:38 from Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>                                                                         2023-04-02 21:31:52 from Nathan 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Lists:	pgsql-hackers

Attachment	Content-Type	Size
v19-0001-Introduce-custodian.patch	text/x-diff	25.4 KB
v19-0002-Move-removal-of-old-serialized-snapshots-to-cust.patch	text/x-diff	6.3 KB
v19-0003-Move-removal-of-old-logical-rewrite-mapping-file.patch	text/x-diff	10.6 KB
v19-0004-Do-not-delay-shutdown-due-to-long-running-custod.patch	text/x-diff	2.9 KB

In response to

• Re: O(n) tasks cause lengthy startups and checkpoints at 2022-12-06 07:28:28 from Bharath Rupireddy

Responses

• Re: O(n) tasks cause lengthy startups and checkpoints at 2023-02-17 23:43:44 from Nathan Bossart

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