| From: | Doug Fields <dfields-pg-general(at)pexicom(dot)com> |
|---|---|
| To: | Martijn van Oosterhout <kleptog(at)svana(dot)org> |
| Cc: | Neil Conway <nconway(at)klamath(dot)dyndns(dot)org>, petedaly(at)ix(dot)netcom(dot)com, pgman(at)candle(dot)pha(dot)pa(dot)us, pgsql-general(at)postgresql(dot)org |
| Subject: | Re: Non-linear Performance |
| Date: | 2002-06-10 14:09:40 |
| Message-ID: | 5.1.0.14.2.20020610100751.01eca668@pop.pexicom.com |
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| Lists: | pgsql-general |
At 08:11 AM 6/10/2002, Martijn van Oosterhout wrote:
>there is no speed overhead. I'd be interested to know how MVCC would be
>slowing anything down.
I'd be interested in being able to turn it off and see if it speeds
anything up. :)
I didn't mean to imply that I _know_ that it slows things down. What I do
know is that I a_ssume_ it does, and would like to be able to selectively
disable it - in the hope of gaining speed at certain points. I figure the
biggest speed gain will be because PostgreSQL can then skip writing
anything to the transaction log. But then again, I also do not _know_ that.
Cheers,
Doug
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