From: Heikki Linnakangas <heikki.linnakangas@iki.fi>
To: pgsql-committers@lists.postgresql.org
Subject: pgsql: Add missing shmem size estimate for fast-path locking struct
Date: Sat, 04 Apr 2026 08:46:29 +0000
Message-ID: <E1w8weC-002sq1-0x@gemulon.postgresql.org> (raw)
Add missing shmem size estimate for fast-path locking struct
It's been missing ever since fast-path locking was introduced. It's a
small discrepancy, about 4 kB, but let's be tidy. This doesn't seem
worth backpatching, however; in stable branches we were less precise
about the estimates and e.g. added a 10% margin to the hash table
estimates, which is usually much bigger than this discrepancy.
Branch
------
master
Details
-------
https://git.postgresql.org/pg/commitdiff/c06443063f01b0996a16dea77462ac6b31eb181d
Modified Files
--------------
src/backend/storage/lmgr/lock.c | 3 +++
1 file changed, 3 insertions(+)
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To: pgsql-committers@postgresql.org
Cc: heikki.linnakangas@iki.fi, pgsql-committers@lists.postgresql.org
Subject: Re: pgsql: Add missing shmem size estimate for fast-path locking struct
In-Reply-To: <E1w8weC-002sq1-0x@gemulon.postgresql.org>
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