Optimize LISTEN/NOTIFY

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ID

Title

Optimize LISTEN/NOTIFY

CI (CFBot)

Summary

Stats (from CFBot)

Patch count: 2, First patch: +185−32, All patches: +198−32

Topic

Performance

Tags

Created

2025-07-12 23:01:46

Last modified

2025-08-07 00:19:17 (2 months ago)

Latest email

2025-11-01 20:41:51 (yesterday)

Status

PG19-2 (2025-09-01 – 2025-09-30): Withdrawn

Target version

19

Authors

Joel Jacobson (joeljacobson)

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Optimize LISTEN/NOTIFY: First at 2025-07-12 22:35:21 by "Joel Jacobson" <joel at compiler.org>
Latest at 2025-11-01 20:41:51 by Arseniy Mukhin <arseniy.mukhin.dev at gmail.com>
Latest attachment (0001-optimize_listen_notify-v22.patch) at 2025-10-28 21:45:57 from "Joel Jacobson" <joel at compiler.org>
    Attachment (0001-optimize_listen_notify-v22.patch) at 2025-10-28 21:45:57 from "Joel Jacobson" <joel at compiler.org> (Patch: Yes)
    Attachment (0001-optimize_listen_notify-v21.patch) at 2025-10-26 23:24:54 from "Joel Jacobson" <joel at compiler.org> (Patch: Yes)
    Attachment (fix-race.patch) at 2025-10-26 04:11:25 from Chao Li <li.evan.chao at gmail.com> (Patch: Yes)
    Attachment (0001-TAP-test-with-listener-pos-race.patch.nocfbot) at 2025-10-20 16:43:27 from Arseniy Mukhin <arseniy.mukhin.dev at gmail.com> (Patch: Yes)
    Attachment (0002-optimize_listen_notify-v20-alt1-v2.txt) at 2025-10-20 05:12:18 from "Joel Jacobson" <joel at compiler.org> (Patch: Yes)
    Attachment (0001-optimize_listen_notify-v20.patch) at 2025-10-19 22:10:34 from "Joel Jacobson" <joel at compiler.org> (Patch: Yes)
    Attachment (0001-optimize_listen_notify-v20.patch) at 2025-10-19 22:06:45 from "Joel Jacobson" <joel at compiler.org> (Patch: Yes)
    Attachment (0001-optimize_listen_notify-v19.patch) at 2025-10-16 09:39:02 from "Joel Jacobson" <joel at compiler.org> (Patch: Yes)
    Attachment (0001-optimize_listen_notify-v18.patch) at 2025-10-15 20:39:14 from "Joel Jacobson" <joel at compiler.org> (Patch: Yes)
    Attachment (listen-notify-test.patch.nocfbot) at 2025-10-15 11:19:40 from Arseniy Mukhin <arseniy.mukhin.dev at gmail.com> (Patch: Yes)
    Attachment (0001-optimize_listen_notify-v17.patch) at 2025-10-15 03:22:59 from "Joel Jacobson" <joel at compiler.org> (Patch: Yes)
    Attachment (0001-optimize_listen_notify-v16.patch) at 2025-10-14 16:40:11 from "Joel Jacobson" <joel at compiler.org> (Patch: Yes)
    Attachment (0001-optimize_listen_notify-v15.patch) at 2025-10-11 07:43:22 from "Joel Jacobson" <joel at compiler.org> (Patch: Yes)
    Attachment (0001-optimize_listen_notify-v14.patch) at 2025-10-11 06:43:51 from "Joel Jacobson" <joel at compiler.org> (Patch: Yes)
    Attachment (0001-optimize_listen_notify-v13.patch) at 2025-10-10 18:46:04 from "Joel Jacobson" <joel at compiler.org> (Patch: Yes)
    Attachment (0001-optimize_listen_notify-v12.patch) at 2025-10-08 14:31:24 from "Joel Jacobson" <joel at compiler.org> (Patch: Yes)
    Attachment (optimize_listen_notify-v11.patch) at 2025-10-07 19:26:31 from "Joel Jacobson" <joel at compiler.org> (Patch: Yes)
    Attachment (optimize_listen_notify-v10.patch) at 2025-10-07 17:28:22 from "Joel Jacobson" <joel at compiler.org> (Patch: Yes)
    Attachment (optimize_listen_notify-v9.patch) at 2025-10-07 05:39:08 from "Joel Jacobson" <joel at compiler.org> (Patch: Yes)
    Attachment (optimize_listen_notify-v8.patch) at 2025-10-06 20:22:05 from "Joel Jacobson" <joel at compiler.org> (Patch: Yes)
    Attachment (optimize_listen_notify-v7.patch) at 2025-10-06 20:11:21 from "Joel Jacobson" <joel at compiler.org> (Patch: Yes)
    Attachment (optimize_listen_notify-v6.patch) at 2025-10-01 05:47:27 from "Joel Jacobson" <joel at compiler.org> (Patch: Yes)
    Attachment (optimize_listen_notify-v5.patch) at 2025-09-30 18:56:11 from "Joel Jacobson" <joel at compiler.org> (Patch: Yes)
    Attachment (0001-LISTEN-NOTIFY-make-the-latency-throughput-trade-off-v2.patch) at 2025-09-25 21:13:31 from "Joel Jacobson" <joel at compiler.org> (Patch: Yes)
    Attachment (0001-LISTEN-NOTIFY-make-the-latency-throughput-trade-off-.patch) at 2025-09-24 20:34:49 from "Joel Jacobson" <joel at compiler.org> (Patch: Yes)
    Attachment (listen_notify_pgbench_perf.md) at 2025-08-07 00:16:05 from "Joel Jacobson" <joel at compiler.org> (Patch: No)
    Attachment (pgbench-script.txt) at 2025-07-24 21:03:27 from "Joel Jacobson" <joel at compiler.org> (Patch: No)
    Attachment (0001-Optimize-NOTIFY-signaling-to-avoid-redundant-backend.patch) at 2025-07-23 01:39:30 from "Joel Jacobson" <joel at compiler.org> (Patch: Yes)
    Attachment (0001-optimize_listen_notify-v4.patch) at 2025-07-17 07:43:20 from "Joel Jacobson" <joel at compiler.org> (Patch: Yes)
    Attachment (0001-optimize_listen_notify-v3.patch) at 2025-07-15 21:50:42 from "Joel Jacobson" <joel at compiler.org> (Patch: Yes)
    Attachment (0001-Subject-Optimize-LISTEN-NOTIFY-signaling-for-scalabi-v3.patch) at 2025-07-15 20:56:57 from "Joel Jacobson" <joel at compiler.org> (Patch: Yes)
    Attachment (pgbench_results_combined.csv) at 2025-07-15 07:20:58 from "Joel Jacobson" <joel at compiler.org> (Patch: No)
    Attachment (0001-Optimize-LISTEN-NOTIFY-signaling-for-single-listener.patch) at 2025-07-12 22:35:21 from "Joel Jacobson" <joel at compiler.org> (Patch: Yes)

History

When	Who	What
2025-08-07 00:19:17	Joel Jacobson (joeljacobson)	Closed in commitfest PG19-2 with status: Withdrawn
2025-08-07 00:19:10	Joel Jacobson (joeljacobson)	Closed in commitfest PG19-2 with status: Withdrawn
2025-07-12 23:01:46	Joel Jacobson (joeljacobson)	Attached mail thread 6899c044-4a82-49be-8117-e6f669765f7e@app.fastmail.com
2025-07-12 23:01:46	Joel Jacobson (joeljacobson)	Created patch record

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