Reducing relcache memory usage: deduping index shapes

Title

CI (CFBot)

Summary

Stats (from CFBot)

Patch version: v2, Patch count: 5, First patch: +16−11, All patches: +1434−233

Tags

Performance

Created

2026-08-31 20:59:19

Last modified

2026-10-07 18:21:56 (1 hour ago)

Latest email

2026-10-06 22:00:57 (21 hours ago)

Status

PG20-3 (2026-11-01 – 2026-11-30): Needs review

PG20-2 (2026-09-01 – 2026-09-30): Moved to different CF

Target version

Authors

Matthias van de Meent (mmeent)

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Reducing relcache memory usage: deduping index shapes: First at 2026-08-31 20:56:57 by Matthias van de Meent <boekewurm+postgres at gmail.com>
Latest at 2026-10-06 22:00:57 by Matthias van de Meent <boekewurm+postgres at gmail.com>
Latest attachment (v3-0004-MemCTX-Add-minimal-proxy-context-type-that-just-d.patch) at 2026-10-06 22:00:57 from Matthias van de Meent <boekewurm+postgres at gmail.com>
    Attachment (v3-0004-MemCTX-Add-minimal-proxy-context-type-that-just-d.patch) at 2026-10-06 22:00:57 from Matthias van de Meent <boekewurm+postgres at gmail.com> (Patch: No)
    Attachment (results.txt) at 2026-09-14 07:32:16 from David Geier <geidav.pg at gmail.com> (Patch: No)
    Attachment (v2-0003-Deduplicate-some-index-attributes-in-the-relcache.patch) at 2026-09-08 09:55:36 from Matthias van de Meent <boekewurm+postgres at gmail.com> (Patch: No)
    Attachment (v1-0008-Add-static-assert-for-size.patch) at 2026-09-03 16:02:23 from David Geier <geidav.pg at gmail.com> (Patch: No)
    Attachment (scratch_61.txt) at 2026-08-31 23:10:33 from Matthias van de Meent <boekewurm+postgres at gmail.com> (Patch: No)
    Attachment (v1-0003-Deduplicate-some-index-attributes-in-the-relcache.patch) at 2026-08-31 20:56:57 from Matthias van de Meent <boekewurm+postgres at gmail.com> (Patch: No)

History

When	Who	What
2026-10-07 18:21:56	Matthias van de Meent (mmeent)	Moved from CF PG20-2 to CF PG20-3
2026-08-31 20:59:19	Matthias van de Meent (mmeent)	Attached mail thread CAEze2WiPyruOtUOSyRUV8mQssjmYwno0M6hkxC_iUpH-=W8WcA@mail.gmail.com
2026-08-31 20:59:19	Matthias van de Meent (mmeent)	Created patch record