Lockless queue of waiters based on atomic operations for LWLock

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ID 3983

Title Lockless queue of waiters based on atomic operations for LWLock

Topic Performance

Created 2022-10-31 10:40:23

Last modified 2024-01-26 14:50:32 (9 months, 3 weeks ago)

Latest email 2024-01-26 14:53:20 (9 months, 3 weeks ago)

Status

2024-01: Returned with feedback

2023-11: Moved to next CF

2023-09: Moved to next CF

2023-07: Moved to next CF

2023-03: Moved to next CF

2023-01: Moved to next CF

2022-11: Moved to next CF

Target version

Authors Alexander Korotkov (smagen), Pavel Borisov (pborisov)

Reviewers Become reviewer

Committer

Links CFbot results (CirrusCI) CFbot GitHub

Checkout latest CFbot patchset

Go to your local checkout of the PostgreSQL repository and run:

git remote add commitfest https://github.com/postgresql-cfbot/postgresql.git
git fetch commitfest cf/3983
git checkout commitfest/cf/3983

Emails

Lockless queue of waiters in LWLock: First at 2022-10-31 10:38:23 by Pavel Borisov <pashkin.elfe at gmail.com>
Latest at 2024-01-26 14:53:20 by vignesh C <vignesh21 at gmail.com>
Latest attachment (v6-0001-Lockless-queue-of-LWLock-waiters.patch) at 2022-11-25 18:52:54 from Pavel Borisov <pashkin.elfe at gmail.com>
    Attachment (v6-0001-Lockless-queue-of-LWLock-waiters.patch) at 2022-11-25 18:52:54 from Pavel Borisov <pashkin.elfe at gmail.com> (Patch: Yes)
    Attachment (v5-0001-Lockless-queue-of-LWLock-waiters.patch) at 2022-11-24 12:20:21 from Pavel Borisov <pashkin.elfe at gmail.com> (Patch: Yes)
    Attachment (v4-0001-Lockless-queue-of-LWLock-waiters.patch) at 2022-11-17 12:07:37 from Pavel Borisov <pashkin.elfe at gmail.com> (Patch: Yes)
    Attachment (lockless-testing-results.csv) at 2022-11-11 15:16:29 from Pavel Borisov <pashkin.elfe at gmail.com> (Patch: No)
    Attachment (v3-0001-Lockless-queue-of-LWLock-waiters.patch) at 2022-11-11 12:39:10 from Pavel Borisov <pashkin.elfe at gmail.com> (Patch: Yes)
    Attachment (atomic-sub-inverted-queue-log.jpg) at 2022-11-11 11:39:05 from Pavel Borisov <pashkin.elfe at gmail.com> (Patch: No)
    Attachment (0001-Print-extended-lwlock_stats-and-proc_stats-on-CAS-re.patch) at 2022-11-03 10:50:11 from Pavel Borisov <pashkin.elfe at gmail.com> (Patch: Yes)
    Attachment (txid-v1-v2-log.png) at 2022-11-01 18:52:36 from Pavel Borisov <pashkin.elfe at gmail.com> (Patch: No)
    Attachment (txid_current.png) at 2022-10-31 11:00:47 from Pavel Borisov <pashkin.elfe at gmail.com> (Patch: No)
    Attachment (v1-0001-Lockless-queue-of-LWLock-waiters.patch) at 2022-10-31 10:38:23 from Pavel Borisov <pashkin.elfe at gmail.com> (Patch: Yes)

History

When	Who	What
2024-01-26 14:50:32	vigneshwaran C (vignesh.postgres)	Closed in commitfest 2024-01 with status: Returned with feedback
2023-12-04 09:19:39	John Naylor (john.naylor)	Closed in commitfest 2023-11 with status: Moved to next CF
2023-10-02 09:46:19	Peter Eisentraut (petere)	Closed in commitfest 2023-09 with status: Moved to next CF
2023-08-02 19:13:39	Daniel Gustafsson (d_gustafsson)	Closed in commitfest 2023-07 with status: Moved to next CF
2023-04-09 02:30:09	Greg Stark (stark)	Closed in commitfest 2023-03 with status: Moved to next CF
2023-01-31 16:16:45	vigneshwaran C (vignesh.postgres)	Closed in commitfest 2023-01 with status: Moved to next CF
2022-12-13 07:43:24	Ian Barwick (barwick)	Closed in commitfest 2022-11 with status: Moved to next CF
2022-11-17 13:11:49	Pavel Borisov (pborisov)	Changed name to Lockless queue of waiters based on atomic operations for LWLock
2022-10-31 10:40:46	Pavel Borisov (pborisov)	Changed authors to Alexander Korotkov (smagen), Pavel Borisov (pborisov)
2022-10-31 10:40:23	Pavel Borisov (pborisov)	Attached mail thread CALT9ZEEz+=Nepc5eti6x531q64Z6+DxtP3h-h_8O5HDdtkJcPw@mail.gmail.com
2022-10-31 10:40:23	Pavel Borisov (pborisov)	Created patch record

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