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help / color / mirror / Atom feedFrom: Robert Haas <rhaas@postgresql.org>
To: pgsql-committers@lists.postgresql.org
Subject: pgsql: pg_stash_advice: Allow stashed advice to be persisted to disk.
Date: Tue, 07 Apr 2026 14:16:40 +0000
Message-ID: <E1wA7EO-003PKr-0B@gemulon.postgresql.org> (raw)
pg_stash_advice: Allow stashed advice to be persisted to disk.
If pg_stash_advice.persist = true, stashed advice will be written to
pg_stash_advice.tsv in the data directory, periodically and at
shutdown. On restart, stash modifications are locked out until this
file has been reloaded, but queries will not be, so there may be a
short window after startup during which previously-stashed advice is
not automatically applied.
Author: Robert Haas <rhaas@postgresql.org>
Co-authored-by: Lukas Fittl <lukas@fittl.com>
Discussion: https://postgr.es/m/CA+Tgmob87qsWa-VugofU6epuV0H5XjWZGMbQas4Q-ADKmvSyBg@mail.gmail.com
Branch
------
master
Details
-------
https://git.postgresql.org/pg/commitdiff/c10edb102ada607eb054bc9e23690109d86849ef
Modified Files
--------------
contrib/pg_stash_advice/Makefile | 4 +-
contrib/pg_stash_advice/meson.build | 8 +-
contrib/pg_stash_advice/pg_stash_advice--1.0.sql | 6 +
contrib/pg_stash_advice/pg_stash_advice.c | 170 ++++-
contrib/pg_stash_advice/pg_stash_advice.h | 12 +
contrib/pg_stash_advice/stashfuncs.c | 41 ++
contrib/pg_stash_advice/stashpersist.c | 800 +++++++++++++++++++++++
contrib/pg_stash_advice/t/001_persist.pl | 84 +++
doc/src/sgml/pgstashadvice.sgml | 70 +-
src/tools/pgindent/typedefs.list | 4 +
10 files changed, 1192 insertions(+), 7 deletions(-)
Message-ID: <E1wA7EO-003PKr-0B@gemulon.postgresql.org>
Permalink: ../E1wA7EO-003PKr-0B@gemulon.postgresql.org/
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To: pgsql-committers@postgresql.org
Cc: rhaas@postgresql.org, pgsql-committers@lists.postgresql.org
Subject: Re: pgsql: pg_stash_advice: Allow stashed advice to be persisted to disk.
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