On Thu, Oct 2, 2008 at 10:09 AM, Andrew Chernow <[EMAIL PROTECTED]> wrote: > I read through this patch and am curious why 0xdeadbeef was used as an > uninitialized value for the page crc. Is this value somehow less likely to > have collisons than zero (or any other arbitrary value)?
It was just an arbitrary value I chose to identify non-checksummed pages; I believe would have the same collision rate as anything else. > Would it not be better to add a boolean bit or byte to inidcate the crc > state? Ideally, though we don't have any spare bits to play with in MAXALIGN=4. -- Jonah H. Harris, Senior DBA myYearbook.com -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers
