On Mon, Dec 19, 2011 at 09:34:51AM -0500, Robert Haas wrote: > On Mon, Dec 19, 2011 at 9:14 AM, Stephen Frost <sfr...@snowman.net> wrote: > > * Aidan Van Dyk (ai...@highrise.ca) wrote: > >> But the scary part is you don't know how long *ago* the crash was. > >> Because a hint-bit-only change w/ a torn-page is a "non event" in > >> PostgreSQL *DESIGN*, on crash recovery, it doesn't do anything to try > >> and "scrub" every page in the database. > > > > Fair enough, but, could we distinguish these two cases? In other words, > > would it be possible to detect if a page was torn due to a 'traditional' > > crash and not complain in that case, but complain if there's a CRC > > failure and it *doesn't* look like a torn page? > > No.
Would you be so kind as to elucidate this a bit? Cheers, David. -- David Fetter <da...@fetter.org> http://fetter.org/ Phone: +1 415 235 3778 AIM: dfetter666 Yahoo!: dfetter Skype: davidfetter XMPP: david.fet...@gmail.com iCal: webcal://www.tripit.com/feed/ical/people/david74/tripit.ics Remember to vote! Consider donating to Postgres: http://www.postgresql.org/about/donate -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers
