From: | Anuradha Ratnaweera <anuradha(at)lklug(dot)pdn(dot)ac(dot)lk> |
---|---|
To: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
Cc: | Greg Copeland <greg(at)copelandconsulting(dot)net>, Bruce Momjian <pgman(at)candle(dot)pha(dot)pa(dot)us>, PostgresSQL Hackers Mailing List <pgsql-hackers(at)postgresql(dot)org> |
Subject: | Re: Postgresql and multithreading |
Date: | 2002-10-19 06:58:44 |
Message-ID: | 20021019065844.GA27550@lklug.pdn.ac.lk |
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Lists: | pgsql-hackers |
On Fri, Oct 18, 2002 at 10:28:38AM -0400, Tom Lane wrote:
> Greg Copeland <greg(at)copelandconsulting(dot)net> writes:
> > On Thu, 2002-10-17 at 22:20, Tom Lane wrote:
> >> Simple: respond to 'em all with a one-line answer: "convince us why we
> >> should use it". The burden of proof always seems to fall on the wrong
> >> end in these discussions.
>
> > ... Now, it seems, that
> > people don't want to answer questions at all as it's bothering the
> > developers.
>
> Not at all. But rehashing issues that have been talked out repeatedly
> is starting to bug some of us ;-). Perhaps the correct "standard
> answer" is more like "this has been discussed before, please read the
> list archives".
Let me explain my posting which started this `thread':
- The developer's FAQ section 1.9 explains why PostgreSQL doesn't use
threads (and many times it has been discussed on the list).
- The TODO list has an item `Experiment with multi-threaded backend' and
points to a mailing list discussion about the implementation by Myron
Scott. His final comment is that he didn't `gain much performance'
and `ended up with some pretty unmanagable code'. He also says that
he wouldn't `personally try this again ... but there probably was a
better way'.
- I was going through the TODO list, and was wondering if I should try
on this. But before doing that, naturally, I wanted to figure out if
any of the core developers themselves have any plans of doing it.
Now, I am trying hard to figure out why this `are you going to do this?
otherwise I can try it', type posting was not differentiated from
numerous `why don't YOU implement this feature' type postings ;)
Anuradha
--
Debian GNU/Linux (kernel 2.4.18-xfs-1.1)
"Life is too important to take seriously."
-- Corky Siegel
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