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

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.

--
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. +