Hash index: stop registering pin-only bucket pages in WAL (remove REGBUF_NO_CHANGE)

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ID 7629
Title Hash index: stop registering pin-only bucket pages in WAL (remove REGBUF_NO_CHANGE)
CI (CFBot) Needs rebase! Needs rebase since 23 minutes. Failing since 23 minutes.
Additional links previous successfully applied patch (outdated):
Stats (from CFBot) Unknown
Tags Bugfix Performance
Created 2026-11-12 13:16:21
Last modified 2026-11-12 13:16:21 (32 minutes ago)
Latest email 2026-11-12 13:25:38 (23 minutes ago)
Status
PG20-4 (2027-01-01 – 2027-01-31): Needs review
Target version 20
Authors Greg Burd (gregburd)
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Hash index: stop registering pin-only bucket pages in WAL (remove REGBUF_NO_CHANGE)
First at 2026-10-29 16:12:52 by Greg Burd <greg at burd.me>
Latest at 2026-11-12 13:25:38 by Greg Burd <greg at burd.me>
Latest attachment (v7-0002-Don-t-register-pin-only-primary-bucket-pages-in-h.patch) at 2026-11-12 13:25:38 from Greg Burd <greg at burd.me>
    Attachment (v7-0002-Don-t-register-pin-only-primary-bucket-pages-in-h.patch) at 2026-11-12 13:25:38 from Greg Burd <greg at burd.me> (Patch: No)
    Attachment (068b_hash_torn_primary_page_standby.pl) at 2026-11-12 06:39:15 from vignesh C <vignesh21 at gmail.com> (Patch: No)
    Attachment (v6-0004-Remove-REGBUF_NO_CHANGE.patch) at 2026-11-11 21:11:27 from Greg Burd <greg at burd.me> (Patch: No)
    Attachment (v5-0003-Remove-REGBUF_NO_CHANGE.patch) at 2026-11-11 18:14:24 from Greg Burd <greg at burd.me> (Patch: No)
    Attachment (068a_hash_torn_primary_page_delete_first.pl) at 2026-11-11 09:28:49 from vignesh C <vignesh21 at gmail.com> (Patch: No)
    Attachment (v4-0001-Don-t-register-pin-only-primary-bucket-pages-in-h.patch) at 2026-11-03 16:11:19 from Greg Burd <greg at burd.me> (Patch: No)
    Attachment (v3-0002-Append-the-hash-primary-bucket-block-number-to-WA.patch) at 2026-10-30 17:21:03 from Greg Burd <greg at burd.me> (Patch: No)
    Attachment (v3_REL18-0002-Append-the-hash-primary-bucket-block-number.patch) at 2026-10-30 11:48:34 from vignesh C <vignesh21 at gmail.com> (Patch: No)
    Attachment (v3-0002-Append-the-hash-primary-bucket-block-number-to-WA.patch) at 2026-10-30 09:18:14 from vignesh C <vignesh21 at gmail.com> (Patch: No)
    Attachment (v2-0002-Remove-REGBUF_NO_CHANGE.patch) at 2026-10-29 16:12:52 from Greg Burd <greg at burd.me> (Patch: No)
History
When Who What
2026-11-12 13:25:30 CFbot Patch needs rebase
2026-11-12 13:16:21 Greg Burd (gregburd) Attached mail thread auNs8b_vS2OPdTL8@floki
2026-11-12 13:16:21 Greg Burd (gregburd) Created patch record
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