From: | Bruce Momjian <bruce(at)momjian(dot)us> |
---|---|
To: | Simon Riggs <simon(at)2ndquadrant(dot)com> |
Cc: | pgsql-committers(at)postgresql(dot)org |
Subject: | Re: pgsql: Add URLs for : * Speed WAL recovery by allowing more than one |
Date: | 2008-03-18 17:37:05 |
Message-ID: | 200803181737.m2IHb5U17473@momjian.us |
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Thread: | |
Lists: | pgsql-committers pgsql-hackers |
Simon Riggs wrote:
> On Tue, 2008-03-18 at 11:36 -0400, Bruce Momjian wrote:
> > Simon Riggs wrote:
> > > On Tue, 2008-03-18 at 03:59 +0000, Bruce Momjian wrote:
> > > > Log Message:
> > > > -----------
> > > > Add URLs for :
> > > >
> > > > * Speed WAL recovery by allowing more than one page to be prefetched
> > > >
> > > > This involves having a separate process that can be told which pages
> > > > the recovery process will need in the near future.
> > > >
> > > > > http://archives.postgresql.org/pgsql-general/2007-12/msg00683.php
> > > > > http://archives.postgresql.org/pgsql-hackers/2007-12/msg00497.php
> > > > <
> > >
> > > This TODO item presumes the solution, rather than describes the problem
> > > that needs to be solved. Other solutions have been proposed also and
> > > AFAIK nothing has been agreed.
> >
> > The general consensus from the discussion was that multi-plexing the I/O
> > was easier and simpler than trying to multiplex the actual recovery
> > code. Until you can get agreement on a more bold approach, the TODO
> > remains unchanged.
>
> That's the opposite of what I had understood from the discussion. There
> was clear and direct opposition to what you have put in the todo.
Are you reading the same thread I am? See:
http://archives.postgresql.org/pgsql-hackers/2008-02/msg01301.php
If you think the conclusion was wrong, give me a URL!
--
Bruce Momjian <bruce(at)momjian(dot)us> http://momjian.us
EnterpriseDB http://postgres.enterprisedb.com
+ If your life is a hard drive, Christ can be your backup. +
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