Re: corrupt pages detected by enabling checksums

On Mon, 2013-05-06 at 15:31 -0400, Robert Haas wrote:
> On Wed, May 1, 2013 at 3:04 PM, Jeff Davis <pgsql@j-davis.com> wrote:
> > Regardless, you have a reasonable claim that my patch had effects that
> > were not necessary. I have attached a draft patch to remedy that. Only
> > rudimentary testing was done.
> 
> This looks reasonable to me.

Can you please explain the scenario that loses many VM bits at once
during a crash, and results in a bunch of already-all-visible heap pages
being dirtied for no reason?

Regards,Jeff Davis