On Wed, 2013-04-17 at 20:21 -0400, Greg Smith wrote: > -Original checksum feature used Fletcher checksums. Its main problems, > to quote wikipedia, include that it "cannot distinguish between blocks > of all 0 bits and blocks of all 1 bits".
That is fairly easy to fix by using a different modulus: 251 vs 255. Regards, Jeff Davis -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers