On 2014-02-28 10:44:14 +0000, Greg Stark wrote: > On 28 Feb 2014 06:19, "Andres Freund" <and...@2ndquadrant.com> wrote: > > Generally the LSN is computed when writing, not when a buffer is > > modified, so that's not particularly surprising. It'd be interesting to > > see what the records are that end on those LSNs. > > The checksum you mean? But that's why I ran checkpoint.
The checksum is computed in a copy of the buffer, not in the original. C.f. PageSetChecksumCopy(). Greetings, Andres Freund -- Andres Freund http://www.2ndQuadrant.com/ PostgreSQL Development, 24x7 Support, Training & Services -- Sent via pgsql-hackers mailing list (firstname.lastname@example.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers