Re: uuid, COMB uuid, distributed farms

From: Dennis Gearon <gearond(at)sbcglobal(dot)net>
To: pgsql-general(at)postgresql(dot)org
Subject: Re: uuid, COMB uuid, distributed farms
Date: 2011-01-03 04:56:28
Message-ID: 764796.51323.qm@web82103.mail.mud.yahoo.com
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Good catch! The article is:

http://www.informit.com/articles/printerfriendly.aspx?p=25862

Dennis Gearon

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----- Original Message ----
From: bricklen <bricklen(at)gmail(dot)com>
To: Dennis Gearon <gearond(at)sbcglobal(dot)net>
Sent: Sun, January 2, 2011 8:49:13 PM
Subject: Re: [GENERAL] uuid, COMB uuid, distributed farms

On Sun, Jan 2, 2011 at 8:26 PM, Dennis Gearon <gearond(at)sbcglobal(dot)net> wrote:
> On the tests in this article, doing large amounts of consecutive inserts,
> generating new UUIDs, and having the indexes getting updated caused a 30
> (THIRTY) times increase in time to do inserts. So he came up with a function
> that caused the lowest characters of the UUIDs to change slowly according to
> time in microseconds. This reduced the time to using UUIDs for PKs for inserts
> and joins BOTH by only 10% relative to SEQUENCES and their integer primary
>keys.

I think you forgot to link to the article?

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