On Wed, 2009-01-28 at 23:54 +0900, Fujii Masao wrote:
> >> Why is InitXLOGAccess() called also here when bgwriter is started after
> >> recovery? That is already called by AuxiliaryProcessMain().
> >
> > InitXLOGAccess() sets the timeline and also gets the latest record
> > pointer. If the bgwriter is started in recovery these values need to be
> > reset later. It's easier to call it twice.
>
> Right. But, InitXLOGAccess() called during main loop is enough for
> that purpose.
I think the code is clearer the way it is. Otherwise you'd read
AuxiliaryProcessMain() and think the bgwriter didn't need xlog access.
-- Simon Riggs www.2ndQuadrant.comPostgreSQL Training, Services and Support
