Improve pg_stat_statements scalability

Title

CI (CFBot)

Needs rebase! Needs rebase since 1 month. Failing since 2 months.
Additional links previous successfully applied patch (outdated):

Stats (from CFBot)

Unknown

Tags

Performance

Created

2026-05-12 14:47:15

Last modified

2026-08-13 14:29:34 (1 hour ago)

Latest email

2026-07-30 19:56:30 (1 week ago)

Status

PG20-2 (2026-09-01 – 2026-09-30): Needs review

PG20-1 (2026-07-01 – 2026-07-31): Moved to different CF

Target version

Authors

Sami Imseih (simseih)

Reviewers

Tristan Partin (tristan957) Become reviewer

Committer

Links

Emails

Improve pg_stat_statements scalability: First at 2026-05-11 23:53:53 by Sami Imseih <samimseih at gmail.com>
Latest at 2026-07-30 19:56:30 by Sami Imseih <samimseih at gmail.com>
Latest attachment (v4-0001-pgstat-Allow-pg_stat_force_next_flush-to-work-in-.patch) at 2026-06-26 22:33:28 from Sami Imseih <samimseih at gmail.com>
    Attachment (v4-0001-pgstat-Allow-pg_stat_force_next_flush-to-work-in-.patch) at 2026-06-26 22:33:28 from Sami Imseih <samimseih at gmail.com> (Patch: Yes)
    Attachment (benchmark_v3.txt) at 2026-05-30 02:15:31 from Sami Imseih <samimseih at gmail.com> (Patch: No)
    Attachment (v2-0004-pg_stat_statements-extend-pg_stat_statements_info.patch) at 2026-05-20 22:59:23 from Sami Imseih <samimseih at gmail.com> (Patch: Yes)
    Attachment (v1-0003-pg_stat_statements-add-DSA-based-query-text-stora.patch) at 2026-05-17 17:37:23 from Sami Imseih <samimseih at gmail.com> (Patch: Yes)
    Attachment (0002-pg_stat_statements-modernize-entry-storage-with-pgst.patch) at 2026-05-11 23:53:53 from Sami Imseih <samimseih at gmail.com> (Patch: Yes)

History

When	Who	What
2026-08-13 14:29:34	Sami Imseih (simseih)	Moved from CF PG20-1 to CF PG20-2
2026-07-05 06:26:28	CFbot	Patch needs rebase
2026-06-26 23:08:40	CFbot	Patch does not need rebase anymore
2026-06-21 05:24:30	CFbot	Patch needs rebase
2026-06-17 21:36:11	Tristan Partin (tristan957)	Added tristan957 as reviewer
2026-05-12 14:47:16	Sami Imseih (simseih)	Attached mail thread CAA5RZ0vZwR_dSK6fo0P2-EnskUVN0NjLHnGnJMFDPC8-kEW3sQ@mail.gmail.com
2026-05-12 14:47:15	Sami Imseih (simseih)	Created patch record