Improve read_local_xlog_page_guts by replacing polling with latch-based waiting

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ID 6024
Title Improve read_local_xlog_page_guts by replacing polling with latch-based waiting
CI (CFBot) Summary
Stats (from CFBot) Patch version: v9, Patch count: 3, First patch: +19−2, All patches: +731−15
Topic Performance
Tags Logical Replication Performance
Created 2025-09-01 12:02:06
Last modified 2025-10-04 10:21:43 (2 weeks ago)
Latest email 2025-10-15 08:43:29 (1 week ago)
Status
PG19-3 (2025-11-01 – 2025-11-30): Needs review
Target version 19
Authors Xuneng Zhou (dylanzhou)
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Improve read_local_xlog_page_guts by replacing polling with latch-based waiting
First at 2025-08-27 15:23:34 by Xuneng Zhou <xunengzhou at gmail.com>
Latest at 2025-10-15 08:43:29 by Xuneng Zhou <xunengzhou at gmail.com>
Latest attachment (v9-0003-Improve-read_local_xlog_page_guts-by-replacing-po.patch) at 2025-10-15 08:43:29 from Xuneng Zhou <xunengzhou at gmail.com>
    Attachment (v9-0003-Improve-read_local_xlog_page_guts-by-replacing-po.patch) at 2025-10-15 08:43:29 from Xuneng Zhou <xunengzhou at gmail.com> (Patch: Yes)
    Attachment (v8-0002-Add-infrastructure-for-efficient-LSN-waiting.patch) at 2025-10-15 00:31:01 from Xuneng Zhou <xunengzhou at gmail.com> (Patch: Yes)
    Attachment (v7-0002-Add-infrastructure-for-efficient-LSN-waiting.patch) at 2025-10-11 03:02:51 from Xuneng Zhou <xunengzhou at gmail.com> (Patch: Yes)
    Attachment (v6-0001-Replace-inefficient-polling-loops-in-read_local_x.patch) at 2025-10-04 07:21:07 from Xuneng Zhou <xunengzhou at gmail.com> (Patch: Yes)
    Attachment (v5-0000-cover-letter.patch) at 2025-10-02 15:06:14 from Xuneng Zhou <xunengzhou at gmail.com> (Patch: No)
    Attachment (v4-0000-cover-letter.patch) at 2025-09-28 13:47:06 from Xuneng Zhou <xunengzhou at gmail.com> (Patch: No)
    Attachment (v8-0001-Implement-WAIT-FOR-command.patch) at 2025-08-28 08:22:55 from Xuneng Zhou <xunengzhou at gmail.com> (Patch: Yes)
    Attachment (v2-0001-Improve-read_local_xlog_page_guts-by-replacing-po.patch) at 2025-08-27 15:31:03 from Xuneng Zhou <xunengzhou at gmail.com> (Patch: Yes)
    Attachment (v8-0001-Implement-WAIT-FOR-command.patch) at 2025-08-27 15:23:34 from Xuneng Zhou <xunengzhou at gmail.com> (Patch: Yes)
History
When Who What
2025-10-15 09:20:28 CFbot Patch does not need rebase anymore
2025-10-15 01:11:23 CFbot Patch needs rebase
2025-10-04 10:21:43 Xuneng Zhou (dylanzhou) Changed tags to Logical Replication, Performance
2025-09-28 14:09:26 CFbot Patch does not need rebase anymore
2025-09-05 10:09:21 CFbot Patch needs rebase
2025-09-01 12:02:06 Xuneng Zhou (dylanzhou) Attached mail thread CABPTF7UNft368x-RgOXkfj475OwEbp+VVO-wEXz7StgjD_=6sw@mail.gmail.com
2025-09-01 12:02:06 Xuneng Zhou (dylanzhou) Created patch record
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