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Automatically sizing the IO worker pool

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ID 5913
Title Automatically sizing the IO worker pool
CI (CFBot) Summary Copy git checkout commands
Stats (from CFBot) Patch version: v1, Patch count: 2, First patch: +348−0, All patches: +850−0
Tags Performance
Created 2025-07-12 23:10:08
Last modified 2026-04-17 00:56:39 (1 month ago)
Latest email 2026-04-14 10:26:46 (2 months ago)
Status
PG20-1 (2026-07-01 – 2026-07-31): Committed
PG20-Drafts (2026-03-01 – 2027-02-28): Moved to different CF
PG19-4 (2026-01-01 – 2026-01-31): Moved to different CF
PG19-2 (2025-09-01 – 2025-09-30): Moved to different CF
Target version 19
Authors Thomas Munro (macdice)
Reviewers Become reviewer
Committer Thomas Munro (macdice)
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Automatically sizing the IO worker pool
First at 2025-04-12 16:59:54 by Thomas Munro <thomas.munro at gmail.com>
Latest at 2026-04-14 10:26:46 by Dmitry Dolgov <9erthalion6 at gmail.com>
Latest attachment (v1-0001-contrib-io_limit-Simulation-of-slow-storage.patch) at 2026-04-14 10:26:46 from Dmitry Dolgov <9erthalion6 at gmail.com> +
    Attachment (v1-0001-contrib-io_limit-Simulation-of-slow-storage.patch) at 2026-04-14 10:26:46 from Dmitry Dolgov <9erthalion6 at gmail.com> (Patch: Yes)
    Attachment (0001-contrib-io_limit-Simulation-of-slow-storage.patch) at 2026-04-11 06:35:18 from Thomas Munro <thomas.munro at gmail.com> (Patch: Yes)
    Attachment (v8-0001-aio-Adjust-I-O-worker-pool-size-automatically.patch) at 2026-04-08 02:47:37 from Thomas Munro <thomas.munro at gmail.com> (Patch: Yes)
    Attachment (v7-0001-aio-Adjust-I-O-worker-pool-size-automatically.patch) at 2026-04-08 02:09:16 from Thomas Munro <thomas.munro at gmail.com> (Patch: Yes)
    Attachment (v6-0001-aio-Adjust-I-O-worker-pool-size-automatically.patch) at 2026-04-08 00:30:46 from Thomas Munro <thomas.munro at gmail.com> (Patch: Yes)
    Attachment (v5-0001-aio-Adjust-I-O-worker-pool-size-automatically.patch) at 2026-04-07 10:39:37 from Thomas Munro <thomas.munro at gmail.com> (Patch: Yes)
    Attachment (v4-0002-Refactor-the-postmaster-s-periodic-job-scheduling.patch) at 2026-04-06 15:02:52 from Thomas Munro <thomas.munro at gmail.com> (Patch: Yes)
    Attachment (v3-0001-aio-Simplify-pgaio_worker_submit.patch) at 2026-03-28 09:31:36 from Thomas Munro <thomas.munro at gmail.com> (Patch: Yes)
    Attachment (load.png) at 2025-07-30 10:14:58 from Dmitry Dolgov <9erthalion6 at gmail.com> (Patch: No)
    Attachment (v2-0001-aio-Try-repeatedly-to-give-batched-IOs-to-workers.patch) at 2025-07-12 05:08:29 from Thomas Munro <thomas.munro at gmail.com> (Patch: Yes)
    Attachment (0001-aio-Regularize-io_method-worker-naming-conventions.patch) at 2025-04-12 16:59:54 from Thomas Munro <thomas.munro at gmail.com> (Patch: Yes)
History
When Who What
2026-04-17 00:56:39 Thomas Munro (macdice) Closed in commitfest PG20-1 with status: Committed
2026-04-17 00:56:39 Thomas Munro (macdice) Changed committer to macdice
2026-04-11 07:06:31 CFbot Patch does not need rebase anymore
2026-04-10 04:18:29 CFbot Patch needs rebase
2026-04-06 15:16:32 CFbot Patch does not need rebase anymore
2026-04-05 19:51:28 CFbot Patch needs rebase
2026-04-01 18:00:11 Gabriel Batista (gabo) Removed gabo from reviewers
2026-03-31 17:49:25 Gabriel Batista (gabo) Added gabo as reviewer
2026-03-28 10:09:32 CFbot Patch does not need rebase anymore
2026-03-15 05:37:10 Xuneng Zhou (dylanzhou) Moved from CF PG20-Drafts to CF PG20-1
2026-03-15 05:36:59 Xuneng Zhou (dylanzhou) Moved from CF PG20-1 to CF PG20-Drafts
2026-03-15 05:36:54 Xuneng Zhou (dylanzhou) Moved from CF PG19-4 to CF PG20-1
2025-12-01 20:59:04 Thomas Munro (macdice) Moved from CF PG19-2 to CF PG19-4
2025-09-05 00:40:22 CFbot Patch needs rebase
2025-09-02 08:31:23 CFbot Patch does not need rebase anymore
2025-07-29 03:02:24 CFbot Patch needs rebase
2025-07-12 23:10:09 Thomas Munro (macdice) Attached mail thread CA+hUKG+m4xV0LMoH2c=oRAdEXuCnh+tGBTWa7uFeFMGgTLAw+Q@mail.gmail.com
2025-07-12 23:10:08 Thomas Munro (macdice) Created patch record
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