On Thu, Oct 26, 2023 at 08:53:31AM +0000, Xiang Gao wrote:
> On Tue, 24 Oct, 2023 20:45:39PM -0500, Nathan Bossart wrote:
>>I tried this. pg_waldump on 2 million ~8kB records took around 8.1 seconds
>>without the patch and around 7.4 seconds with it (an 8% improvement).
>>pg_waldump on 1 million ~16kB records took around 3.2 seconds without the
>>patch and around 2.4 seconds with it (a 25% improvement).
>
> Could you please provide details on how to generate these 8kB size or 16kB
> size data? Thanks!
I did something like
do $$
begin
for i in 1..1000000
loop
perform pg_logical_emit_message(false, 'test',
repeat('0123456789', 800));
end loop;
end;
$$;
--
Nathan Bossart
Amazon Web Services: https://aws.amazon.com
