Hi Zdenek,
Zdenek Kotala wrote:
> It is not related to fork maps. The idea is to learn PostgreSQL process
> to read old data page structures. It is part of in-place upgrade and it
> was discussed on PGCon this year. You can see more info on
>
> http://wiki.postgresql.org/wiki/In-place_upgrade
> http://www.pgcon.org/2008/schedule/events/87.en.html
Ah, that's where the idea is coming from. Thanks for the pointers.
Regards
Markus Wanner