On Sun, Dec 11, 2016 at 12:00 PM, Sreekanth Palluru <sree4pg@xxxxxxxxx> wrote: > I am looking at possibility of PG introducing corruption if relation extends and before it updates new page with pageheader in 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 -- Sent via pgsql-admin mailing list (pgsql-admin@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-admin
