Neon added a t_cid field to heap WAL records
https://github.com/yibit/neon-postgresql/blob/main/docs/core_changes.md#add-t_cid-to-heap-wal-records.
However, when replaying the delete log record, it is discarding the combo flag
and storing the raw cmax on the old tuple
https://github.com/neondat
Hi,
Is there a plan to merge this patch in PG16?
Thanks,
Muhammad
From: Andres Freund
Sent: Saturday, July 15, 2023 6:56 PM
To: pgsql-hack...@postgresql.org
Cc: Thomas Munro
Subject: Improve heapgetpage() performance, overhead from serializable
Hi,
Several l
> I use a script like:
> c=16;psql -c 'DROP TABLE IF EXISTS copytest_0; CREATE TABLE copytest_0(data
> text not null);' && time /srv/dev/build/m-opt/src/bin/pgbench/pgbench -n -P1
> -c$c -j$c -t$((1024/$c)) -f ~/tmp/copy.sql && psql -c 'TRUNCATE copytest_0'
> >[1] COPY (SELECT repeat(random():
Hi,
Could you please share repro steps for running these benchmarks? I am doing
performance testing in this area and want to use the same benchmarks.
Thanks,
Muhammad
From: Andres Freund
Sent: Friday, October 28, 2022 7:54 PM
To: pgsql-hack...@postgresql.org ; T