Changing shared_buffers without restart

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ID 5319
Title Changing shared_buffers without restart
CI (CFBot) Needs rebase! Needs rebase since 5 days. Failing since 5 months.
Additional links previous successfully applied patch (outdated):
Summary
Stats (from CFBot) Unknown
Tags
Created 2024-10-22 09:41:42
Last modified 2026-02-02 13:21:13 (1 week ago)
Latest email 2026-02-13 11:52:22 (2 days ago)
Status
PG19-Final (2026-03-01 – 2026-03-31): Needs review
PG19-4 (2026-01-01 – 2026-01-31): Moved to different CF
PG19-3 (2025-11-01 – 2025-11-30): Moved to different CF
PG19-2 (2025-09-01 – 2025-09-30): Moved to different CF
PG19-1 (2025-07-01 – 2025-07-31): Moved to different CF
2025-03 (2025-03-01 – 2025-04-08): Moved to different CF
2025-01 (2025-01-01 – 2025-01-31): Moved to different CF
2024-11 (2024-11-01 – 2024-11-30): Moved to different CF
Target version
Authors Dmitry Dolgov (erthalion)
Reviewers Vladlen Popolitov (vladlenpopolitov)Become reviewer
Committer
Links
Emails
Changing shared_buffers without restart
First at 2024-10-18 19:21:19 by Dmitry Dolgov <9erthalion6 at gmail.com>
Latest at 2026-02-13 11:52:22 by Ashutosh Bapat <ashutosh.bapat.oss at gmail.com>
Latest attachment (0002-Get-rid-of-global-shared-memory-pointer-mac-20260210.patch) at 2026-02-10 15:23:42 from Ashutosh Bapat <ashutosh.bapat.oss at gmail.com>
    Attachment (0002-Get-rid-of-global-shared-memory-pointer-mac-20260210.patch) at 2026-02-10 15:23:42 from Ashutosh Bapat <ashutosh.bapat.oss at gmail.com> (Patch: Yes)
    Attachment (laptop_hugepages.txt) at 2026-02-10 12:50:54 from Jakub Wartak <jakub.wartak at enterprisedb.com> (Patch: No)
    Attachment (huge_page_fix.diff.no_ci) at 2026-02-10 06:17:19 from Ashutosh Bapat <ashutosh.bapat.oss at gmail.com> (Patch: Yes)
    Attachment (0001-wip-Introduce-a-new-way-of-registering-shared-memory.patch) at 2026-02-09 22:14:23 from Heikki Linnakangas <hlinnaka at iki.fi> (Patch: Yes)
    Attachment (v20260209-0001-Add-a-view-to-read-contents-of-shared-buff.patch) at 2026-02-09 15:15:28 from Ashutosh Bapat <ashutosh.bapat.oss at gmail.com> (Patch: Yes)
    Attachment (jw_no_sb_in_postmaster__noeffect.txt) at 2026-02-09 13:41:12 from Jakub Wartak <jakub.wartak at enterprisedb.com> (Patch: Yes)
    Attachment (v20260128-0001-Add-a-view-to-read-contents-of-shared-buff.patch) at 2026-01-28 13:19:08 from Ashutosh Bapat <ashutosh.bapat.oss at gmail.com> (Patch: Yes)
    Attachment (0001-Add-a-view-to-read-contents-of-shared-buffe-20251114.patch) at 2025-11-14 11:53:21 from Ashutosh Bapat <ashutosh.bapat.oss at gmail.com> (Patch: Yes)
    Attachment (0003-Introduce-pending-flag-for-GUC-assign-hooks-20251013.patch) at 2025-10-13 15:58:09 from Ashutosh Bapat <ashutosh.bapat.oss at gmail.com> (Patch: Yes)
    Attachment (0004-Introduce-pss_barrierReceivedGeneration-20250918.patch) at 2025-09-18 04:55:29 from Ashutosh Bapat <ashutosh.bapat.oss at gmail.com> (Patch: Yes)
    Attachment (resize-crash.txt) at 2025-07-04 00:06:16 from Tomas Vondra <tomas at vondra.me> (Patch: No)
    Attachment (unitialized_variable_warning.patch.txt) at 2025-07-02 12:35:37 from Ashutosh Bapat <ashutosh.bapat.oss at gmail.com> (Patch: Yes)
    Attachment (v5-0001-Process-config-reload-in-AIO-workers.patch) at 2025-06-20 10:19:31 from Dmitry Dolgov <9erthalion6 at gmail.com> (Patch: Yes)
    Attachment (0001-Allow-to-use-multiple-shared-memory-mapping-20250616.patch) at 2025-06-16 12:39:17 from Ashutosh Bapat <ashutosh.bapat.oss at gmail.com> (Patch: Yes)
    Attachment (0005-Introduce-pss_barrierReceivedGeneration-20250610.patch) at 2025-06-10 11:09:58 from Ashutosh Bapat <ashutosh.bapat.oss at gmail.com> (Patch: Yes)
    Attachment (test_hugepage_mappings.c) at 2025-05-13 05:03:03 from Jack Ng <Jack.Ng at huawei.com> (Patch: No)
    Attachment (mfdtruncate.c) at 2025-05-09 14:43:02 from Ashutosh Bapat <ashutosh.bapat.oss at gmail.com> (Patch: No)
    Attachment (v4-0001-Allow-to-use-multiple-shared-memory-mappings.patch) at 2025-04-07 08:43:22 from Dmitry Dolgov <9erthalion6 at gmail.com> (Patch: Yes)
    Attachment (hugepage_remap.c) at 2025-03-20 08:55:47 from Ni Ku <jakkuniku at gmail.com> (Patch: No)
    Attachment (0004-Introduce-pending-flag-for-GUC-assign-hooks-20250228.patch) at 2025-02-28 11:52:29 from Ashutosh Bapat <ashutosh.bapat.oss at gmail.com> (Patch: Yes)
    Attachment (v2-0001-Allow-to-use-multiple-shared-memory-mappings.patch) at 2025-02-25 09:52:05 from Dmitry Dolgov <9erthalion6 at gmail.com> (Patch: Yes)
    Attachment (0002-Allow-placing-shared-memory-mapping-with-an-20250113.patch) at 2025-01-13 08:11:06 from Ashutosh Bapat <ashutosh.bapat.oss at gmail.com> (Patch: Yes)
    Attachment (mmap_exp.c) at 2024-12-17 14:10:11 from Ashutosh Bapat <ashutosh.bapat.oss at gmail.com> (Patch: No)
    Attachment (0001-More-thorough-use-of-PGShmemHeader-instead-of-void.patch.nocfbot) at 2024-11-19 12:57:00 from Peter Eisentraut <peter at eisentraut.org> (Patch: Yes)
    Attachment (v1-0001-Allow-to-use-multiple-shared-memory-mappings.patch) at 2024-10-18 19:21:19 from Dmitry Dolgov <9erthalion6 at gmail.com> (Patch: Yes)
History
When Who What
2026-02-10 16:12:29 CFbot Patch needs rebase
2026-02-09 15:35:38 CFbot Patch does not need rebase anymore
2026-02-02 13:21:13 Dmitry Dolgov (erthalion) Moved from CF PG19-4 to CF PG19-Final
2026-02-01 22:41:35 CFbot Patch needs rebase
2026-01-28 13:45:43 CFbot Patch does not need rebase anymore
2025-12-23 14:02:52 Dmitry Dolgov (erthalion) Moved from CF PG19-3 to CF PG19-4
2025-11-30 22:27:24 CFbot Patch needs rebase
2025-11-14 12:13:34 CFbot Patch does not need rebase anymore
2025-10-19 13:18:31 CFbot Patch needs rebase
2025-10-19 11:57:20 Dmitry Dolgov (erthalion) Moved from CF PG19-2 to CF PG19-3
2025-09-18 05:13:31 CFbot Patch does not need rebase anymore
2025-09-04 20:50:22 CFbot Patch needs rebase
2025-09-02 07:35:26 CFbot Patch does not need rebase anymore
2025-08-07 07:27:18 Dmitry Dolgov (erthalion) Moved from CF PG19-1 to CF PG19-2
2025-07-11 19:21:31 CFbot Patch needs rebase
2025-06-10 11:59:39 CFbot Patch does not need rebase anymore
2025-04-07 10:15:37 Dmitry Dolgov (erthalion) New status: Needs review
2025-04-01 18:54:32 Dmitry Dolgov (erthalion) Closed in commitfest 2025-03 with status: Moved to next CF
2025-03-11 04:15:16 vigneshwaran C (vignesh.postgres) New status: Waiting on Author
2025-02-25 13:20:25 Dmitry Dolgov (erthalion) New status: Needs review
2025-02-25 10:01:40 CFbot Patch needs rebase
2025-02-04 08:34:18 Dmitry Dolgov (erthalion) Closed in commitfest 2025-01 with status: Moved to next CF
2024-12-02 07:47:55 Peter Eisentraut (petere) Closed in commitfest 2024-11 with status: Moved to next CF
2024-11-06 19:10:06 Vladlen Popolitov (vladlenpopolitov) Posted comment with messageid <173092020670.140662.2281492259656834462.pgcf@coridan.postgresql.org>
2024-11-06 19:10:06 Vladlen Popolitov (vladlenpopolitov) New status: Waiting on Author
2024-11-06 18:44:31 Vladlen Popolitov (vladlenpopolitov) Added vladlenpopolitov as reviewer
2024-10-22 09:41:53 Dmitry Dolgov (erthalion) Changed authors to Dmitry Dolgov (erthalion)
2024-10-22 09:41:42 Dmitry Dolgov (erthalion) Attached mail thread cnthxg2eekacrejyeonuhiaezc7vd7o2uowlsbenxqfkjwgvwj@qgzu6eoqrglb
2024-10-22 09:41:42 Dmitry Dolgov (erthalion) Created patch record
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