Re: pgsql: Add URLs for : * Speed WAL recovery by allowing more than one

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. +