Hash index inserts serialise on the metapage tuple counter

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ID 7531
Title Hash index inserts serialise on the metapage tuple counter
CI (CFBot) Summary
Stats (from CFBot) Patch version: v1, Patch count: 1, First patch: +504−26, All patches: +504−26
Tags Performance
Created 2026-10-27 12:44:49
Last modified 2026-10-27 12:44:49 (3 hours ago)
Latest email 2026-10-27 12:38:30 (3 hours ago)
Status
PG20-3 (2026-11-01 – 2026-11-30): Needs review
Target version 20
Authors Greg Burd (gregburd)
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Hash index inserts serialise on the metapage tuple counter
First at 2026-10-23 11:00:05 by Greg Burd <greg at burd.me>
Latest at 2026-10-27 12:38:30 by Greg Burd <greg at burd.me>
Latest attachment (v1-0001-Don-t-wait-for-the-hash-index-metapage-lock-just-.patch) at 2026-10-27 12:38:30 from Greg Burd <greg at burd.me>
    Attachment (v1-0001-Don-t-wait-for-the-hash-index-metapage-lock-just-.patch) at 2026-10-27 12:38:30 from Greg Burd <greg at burd.me> (Patch: No)
    Attachment (overflow-signal-prototype.diff) at 2026-10-26 16:09:53 from Greg Burd <greg at burd.me> (Patch: Yes)
    Attachment (metacount.patch) at 2026-10-23 11:00:05 from Greg Burd <greg at burd.me> (Patch: No)
History
When Who What
2026-10-27 12:44:49 Greg Burd (gregburd) Attached mail thread ats7u1ISmgZaWcge@floki
2026-10-27 12:44:49 Greg Burd (gregburd) Created patch record
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