Jonah H. Harris wrote: > On Thu, Oct 2, 2008 at 1:07 PM, Bruce Momjian <[EMAIL PROTECTED]> wrote: > >> If we're double-buffering the write, I don't see where we could be > >> introducing a torn-page, as we'd actually be writing a copied version > >> of the buffer. Will look into this. > > > > The torn page is during kernel write to disk, I assume, so it is still > > possible. > > Well, we can't really control too much of that. The most common > solution to that I've seen is to double-write the page (which some > OSes already do regardless). Or, are you meaning something else?
I just don't see how writing a copy of the page (rather than the original) to the kernel affects issues about torn pages. -- Bruce Momjian <[EMAIL PROTECTED]> http://momjian.us EnterpriseDB http://enterprisedb.com + If your life is a hard drive, Christ can be your backup. + -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers
