Re: Load distributed checkpoint V3

From: "Simon Riggs" <simon(at)2ndquadrant(dot)com>
To: "Greg Smith" <gsmith(at)gregsmith(dot)com>
Cc: <pgsql-patches(at)postgresql(dot)org>
Subject: Re: Load distributed checkpoint V3
Date: 2007-04-06 10:33:45
Message-ID: 1175855626.3623.476.camel@silverbirch.site
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On Fri, 2007-04-06 at 02:53 -0400, Greg Smith wrote:
> If you compare how Oracle handles their writes and checkpoints to the
> Postgres code, it's obvious they have a different architecture that
> enables them to support sync writing usefully. I'd recommend the
> Database
> Writer Process section of
> http://www.lc.leidenuniv.nl/awcourse/oracle/server.920/a96524/c09procs.htm
> as an introduction for those not familiar with that; it's interesting
> reading for anyone tinking with background writer code.

Oracle does have a different checkpointing technique and we know it is
patented, so we need to go carefully there, especially when directly
referencing documentation.

--
Simon Riggs
EnterpriseDB http://www.enterprisedb.com

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