Re: the jokes for pg concurrency write performance

From: Scott Marlowe <scott(dot)marlowe(at)gmail(dot)com>
To: Alvaro Herrera <alvherre(at)commandprompt(dot)com>
Cc: wyx6fox(at)sina(dot)com, pgsql-performance(at)postgresql(dot)org
Subject: Re: the jokes for pg concurrency write performance
Date: 2010-02-02 16:27:26
Message-ID: dcc563d11002020827u2dfe579cv9217f64b0ceb98b2@mail.gmail.com
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On Tue, Feb 2, 2010 at 9:20 AM, Alvaro Herrera
<alvherre(at)commandprompt(dot)com> wrote:
> Scott Marlowe escribió:
>> 2010/2/1  <wyx6fox(at)sina(dot)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.

I wonder if having paid technical support to abuse leads to people
thinking they can treat other people like crap and get the answer they
want anyway... Well, we'll see if the OP can write a non-flame-filled
inquiry on their performance issues or not.

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