fix autovacuum score when member space usage is high

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ID 6902
Title fix autovacuum score when member space usage is high
CI (CFBot) Summary
Stats (from CFBot) Patch version: v1, Patch count: 1, First patch: +13−6, All patches: +13−6
Tags Bugfix
Created 2026-06-17 14:59:39
Last modified 2026-06-17 14:59:53 (1 hour ago)
Latest email 2026-06-16 16:21:57 (23 hours ago)
Status
PG20-1 (2026-07-01 – 2026-07-31): Needs review
Target version 19
Authors Sami Imseih (simseih)
Reviewers Nathan Bossart (bossartn) Become reviewer
Committer Nathan Bossart (bossartn)
Links
Emails
mxid_score can become Infinity in pg_stat_autovacuum_scores
First at 2026-06-12 18:19:31 by Masahiko Sawada <sawada.mshk at gmail.com>
Latest at 2026-06-16 16:21:57 by Sami Imseih <samimseih at gmail.com>
Latest attachment (v1-0001-Correct-the-MultiXact-autovacuum-priority-score-w.patch) at 2026-06-12 20:37:41 from Sami Imseih <samimseih at gmail.com>
    Attachment (v1-0001-Correct-the-MultiXact-autovacuum-priority-score-w.patch) at 2026-06-12 20:37:41 from Sami Imseih <samimseih at gmail.com> (Patch: Yes)
History
When Who What
2026-06-17 14:59:53 Nathan Bossart (bossartn) Changed authors to Sami Imseih (simseih)
2026-06-17 14:59:44 Nathan Bossart (bossartn) Added bossartn as committer
2026-06-17 14:59:43 Nathan Bossart (bossartn) Added bossartn as reviewer
2026-06-17 14:59:39 Nathan Bossart (bossartn) Attached mail thread CAD21AoC6nKeYAjTvJ9dmBea03GZK9222h_O=ONmcVuxfyO88Bg@mail.gmail.com
2026-06-17 14:59:39 Nathan Bossart (bossartn) Created patch record
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