Re: Compress prune/freeze records with Delta Frame of Reference algorithm

Evgeny Voropaev <evgeny.voropaev@tantorlabs.com>

From: Evgeny Voropaev <evgeny.voropaev@tantorlabs.com>

To: PostgreSQL Hackers <pgsql-hackers@postgresql.org>

Date: 2026-04-14T07:08:24Z

Lists: pgsql-hackers

Attachments

v11-0001-Implement-vect-and-uniqsortvect-containers-and-b.patch (text/x-patch) patch v11-0001
v11-0002-Tests-of-vect-and-uniqsortvect-containers-and-of.patch (text/x-patch) patch v11-0002
v11-0003-Implement-Delta-Frame-of-Reference-compression.patch (text/x-patch) patch v11-0003
v11-0004-Tests-for-Delta-Frame-of-Reference-unit.patch (text/x-patch) patch v11-0004
v11-0005-Use-Delta-Frame-of-Reference-DFoR-to-compress-pr.patch (text/x-patch) patch v11-0005

Continue fixing CI issues in this patch. Resolved frz_offsets
misalignment caused by odd byte counts in dead or unused tuple packs.

Patch set has been split, unit-tests have been moved into separated
patch-files. It shows that the very essence of the patch has size of
90 KB only.

P.S. Rebased onto fce3f7d2677.

Commits

Same data as JSON: GET /api/v1/messages/:b64id/commits the thread's linked commits as JSON, with link sources. API reference →

Fix a set of typos and grammar issues across the tree
- d3bba0415435 19 (unreleased) cited