Re: the jokes for pg concurrency write performance

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От Alvaro Herrera
Тема Re: the jokes for pg concurrency write performance
Дата
Msg-id 20100202162046.GA4020@alvh.no-ip.org
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Ответ на Re: the jokes for pg concurrency write performance  (Scott Marlowe <scott.marlowe@gmail.com>)
Ответы Re: the jokes for pg concurrency write performance  (Scott Marlowe <scott.marlowe@gmail.com>)
Список pgsql-performance
Scott Marlowe escribió:
> 2010/2/1  <wyx6fox@sina.com>:

> Let's rewrite this assertion:
> > * joke 1: insert operation would use a excluse lock on reference row by the
> > foreign key . a big big big performance killer , i think this is a stupid
> > design .
>
> "problem #1: insert operation would use a excluse lock on reference row by the
> foreign key . a big big big performance killer.  "

Yeah, if it had been written this way I could have told him that this
is not the case since 8.1, but since he didn't, I simply skipped his
emails.

--
Alvaro Herrera                                http://www.CommandPrompt.com/
The PostgreSQL Company - Command Prompt, Inc.

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