Re: pgsql: rm_cleanup functions need to be allowed to write WAL entries.

On Sun, 2009-08-09 at 11:41 -0400, Tom Lane wrote:
> Simon Riggs <simon@2ndQuadrant.com> writes:
> > I want to move in the direction of having two cleanup routines, one
> > executed before recovery ends and one done afterwards, so it can write
> > WAL. Perhaps these would be called rm_makesafe() and rm_repair(). Rough
> > thinking at this stage.
>
> > The rm_repair() would execute in a separate process once we're up.
>
> Er, what's the point of that?

Rebuilding damaged indexes automatically, rather than barfing. I regard
that as a long term extension of crash recovery to bring a database back
to a usable state.

--
 Simon Riggs           www.2ndQuadrant.com