Hash index corruption and CLOG lookup errors

Title

CI (CFBot)

Summary

Stats (from CFBot)

Patch version: v3, Patch count: 6, First patch: +16−6, All patches: +489−14

Tags

Bugfix

Created

2026-11-15 04:38:23

Last modified

2026-11-15 04:38:23 (21 minutes ago)

Latest email

2026-11-04 14:59:38 (1 week ago)

Status

PG20-4 (2027-01-01 – 2027-01-31): Needs review

Target version

Authors

shihao zhong (zhong950419)

Reviewers

Committer

Links

Emails

Hash index corruption and CLOG lookup errors from checkpoint races: First at 2026-11-01 01:05:27 by shihao zhong <zhong950419 at gmail.com>
Latest at 2026-11-04 14:59:38 by shihao zhong <zhong950419 at gmail.com>
Latest attachment (v3-0003-Extend-hash-index-before-WAL-logging-new-bucket-page.patch) at 2026-11-04 14:59:38 from shihao zhong <zhong950419 at gmail.com>
    Attachment (v3-0003-Extend-hash-index-before-WAL-logging-new-bucket-page.patch) at 2026-11-04 14:59:38 from shihao zhong <zhong950419 at gmail.com> (Patch: No)
    Attachment (v2-0004-Add-test-for-a-checkpoint-that-starts-during-hash.patch) at 2026-11-03 04:08:17 from shihao zhong <zhong950419 at gmail.com> (Patch: No)
    Attachment (063_hash_alloc_buckets_error.pl) at 2026-11-02 15:59:34 from vignesh C <vignesh21 at gmail.com> (Patch: No)
    Attachment (062_multixact_truncate_checkpoint.pl) at 2026-11-02 12:26:07 from vignesh C <vignesh21 at gmail.com> (Patch: No)
    Attachment (v1-0002-Add-test-for-a-checkpoint-that-starts-during-CLOG.patch) at 2026-11-01 01:05:27 from shihao zhong <zhong950419 at gmail.com> (Patch: No)

History

When	Who	What
2026-11-15 04:38:23	shihao zhong (zhong950419)	Attached mail thread CAGRkXqTSAb-H4oxk=J9QBv-Kh2-o=cnCWuiSduMVaVzrKYmKXQ@mail.gmail.com
2026-11-15 04:38:23	shihao zhong (zhong950419)	Created patch record