From: Alvaro Herrera <alvherre@commandprompt.com>
To: Scott Marlowe <scott.marlowe@gmail.com>
Cc: wyx6fox@sina.com
Cc: pgsql-performance@postgresql.org
Subject: Re: the jokes for pg concurrency write performance
Date: Tue, 2 Feb 2010 13:20:46 -0300
Message-ID: <20100202162046.GA4020@alvh.no-ip.org> (raw)
In-Reply-To: <dcc563d11002020812t4a3ce023q2049630313a8f531@mail.gmail.com>
References: <20100202045701.93A404B1C73@mail175-236.sinamail.sina.com.cn>
<dcc563d11002020812t4a3ce023q2049630313a8f531@mail.gmail.com>
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.
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Reply to all the recipients using the --to and --cc options:
reply via email
To: pgsql-performance@postgresql.org
Cc: alvherre@commandprompt.com, scott.marlowe@gmail.com, wyx6fox@sina.com
Subject: Re: the jokes for pg concurrency write performance
In-Reply-To: <20100202162046.GA4020@alvh.no-ip.org>
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
This inbox is served by DDX for PostgreSQL; see mirroring instructions
for how to clone and mirror all data and code used for this inbox