| From: | Bruce Momjian <bruce(at)momjian(dot)us> |
|---|---|
| To: | Ranier Vilela <ranier(dot)vf(at)gmail(dot)com> |
| Cc: | Pg Hackers <pgsql-hackers(at)postgresql(dot)org>, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, Heikki Linnakangas <heikki(dot)linnakangas(at)iki(dot)fi> |
| Subject: | Re: Let's make PostgreSQL multi-threaded |
| Date: | 2023-06-05 16:42:06 |
| Message-ID: | ZH4QXnfZH6WfCo6W@momjian.us |
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| Lists: | pgsql-hackers |
On Mon, Jun 5, 2023 at 01:26:00PM -0300, Ranier Vilela wrote:
> On 05/06/2023 11:18, Tom Lane wrote:
> > For the record, I think this will be a disaster. There is far too much
> > code that will get broken, largely silently, and much of it is not
> > under our control.
>
> I fully agreed with Tom.
>
> First, it is not clear what are the benefits of architecture change?
>
> Performance?
>
> Development becomes much more complicated and error-prone.
I agree the costs of going threaded have been reduced with compiler and
library improvements, but I don't know if they are reduced enough for
the change to be a net benefit, except on Windows where the process
creation overhead is high.
--
Bruce Momjian <bruce(at)momjian(dot)us> https://momjian.us
EDB https://enterprisedb.com
Only you can decide what is important to you.
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