From: | Peter Geoghegan <pg(at)bowt(dot)ie> |
---|---|
To: | pgsql-committers(at)lists(dot)postgresql(dot)org |
Subject: | pgsql: Refine the definition of page-level freezing. |
Date: | 2023-01-03 18:09:49 |
Message-ID: | E1pCljR-001sL3-9O@gemulon.postgresql.org |
Views: | Raw Message | Whole Thread | Download mbox | Resend email |
Thread: | |
Lists: | pgsql-committers |
Refine the definition of page-level freezing.
Improve comments added by commit 1de58df4 which describe the
lazy_scan_prune "freeze the page" path. These newly revised comments
are based on suggestions from Jeff Davis.
In passing, remove nearby visibility_cutoff_xid comments left over from
commit 6daeeb1f.
Author: Peter Geoghegan <pg(at)bowt(dot)ie>
Reviewed-By: Jeff Davis <pgsql(at)j-davis(dot)com>
Discussion: https://postgr.es/m/ebc857107fe3edd422ef8a65191ca4a8da568b9b.camel@j-davis.com
Branch
------
master
Details
-------
https://git.postgresql.org/pg/commitdiff/b37a0832396414e8469d4ee4daea33396bde39b0
Modified Files
--------------
src/backend/access/heap/vacuumlazy.c | 20 +++++++-------------
src/include/access/heapam.h | 23 ++++++++---------------
2 files changed, 15 insertions(+), 28 deletions(-)
From | Date | Subject | |
---|---|---|---|
Next Message | Peter Geoghegan | 2023-01-03 19:23:41 | pgsql: Delay commit status checks until freezing executes. |
Previous Message | Peter Eisentraut | 2023-01-03 13:29:42 | pgsql: Windows support in pg_import_system_collations |