On Sun, Dec 11, 2016 at 12:00 PM, Sreekanth Palluru <sree4pg@gmail.com> wrote:
> I am looking at possibility of PG introducing corruption if relation extends and before it updates new page with
pageheaderin memory and crash happens?
>
> Is this possible?
No.
> Does PG updates pageheader when relation get extends?
You need to look at smgrextend() when extension an on-disk relation
file. The page is written in a correct shape.
> If so what details it writes? Or will it be null?
--
Michael
