Jonah H. Harris wrote:
> Rather than potentially letting this slide past 8.4, I threw together
> an extremely quick-hack patch at the smgr-layer for block-level
> checksums.
One hard problem is how to deal with torn pages with non-WAL-logged
changes. Like heap hint bit updates, killing tuples in index pages
during a scan, and the new FSM pages.
Currently, a torn page when writing a hint-bit-updated page doesn't
matter, but it would break the checksum.
-- Heikki Linnakangas EnterpriseDB http://www.enterprisedb.com