Re: Stack-based tracking of per-node WAL/buffer usage

From: Lukas Fittl <lukas(at)fittl(dot)com>
To: Andres Freund <andres(at)anarazel(dot)de>, PostgreSQL Hackers <pgsql-hackers(at)lists(dot)postgresql(dot)org>
Cc: Zsolt Parragi <zsolt(dot)parragi(at)percona(dot)com>, Tomas Vondra <tomas(at)vondra(dot)me>, Peter Smith <smithpb2250(at)gmail(dot)com>, Heikki Linnakangas <hlinnaka(at)iki(dot)fi>
Subject: Re: Stack-based tracking of per-node WAL/buffer usage
Date: 2026-04-04 09:43:50
Message-ID: CAP53PkybGzJTAo7V07ssUae5047pBY3jc_F07tGY13cNhqe+AQ@mail.gmail.com
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Hi,

Attached v12, rebased, otherwise no changes.

I realize time to freeze is getting close, and whilst I'd love to see
this go in, I'm also realistic - so I'll just do my best to support
review in the off chance we can make it for this release.

On that note, I think 0001 and 0002 are independently useful
refactorings to split the different kinds of instrumentation that
should be ready to go, and I don't think should conflict much with
other patches in this commitfest.

Thanks,
Lukas

--
Lukas Fittl

Attachment Content-Type Size
v12-0002-instrumentation-Separate-per-node-logic-from-oth.patch application/x-patch 27.1 KB
v12-0005-Optimize-measuring-WAL-buffer-usage-through-stac.patch application/x-patch 96.5 KB
v12-0001-instrumentation-Separate-trigger-logic-from-othe.patch application/x-patch 10.1 KB
v12-0003-instrumentation-Replace-direct-changes-of-pgBuff.patch application/x-patch 9.0 KB
v12-0004-instrumentation-Add-additional-regression-tests-.patch application/x-patch 23.5 KB
v12-0006-instrumentation-Use-Instrumentation-struct-for-p.patch application/x-patch 29.2 KB
v12-0009-Add-test_session_buffer_usage-test-module.patch application/x-patch 30.0 KB
v12-0007-instrumentation-Optimize-ExecProcNodeInstr-instr.patch application/x-patch 11.2 KB
v12-0008-Index-scans-Show-table-buffer-accesses-separatel.patch application/x-patch 22.2 KB

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