On 22.12.2010 17:31, Simon Riggs wrote:
On Wed, 2010-12-22 at 17:01 +0200, Heikki Linnakangas wrote:
Do you envision that the CRC is calculated at every update, or only when
a page is written out from the buffer cache?
At every update, so there is a clear assertion that the CRC matches the
block.
Umm, when do you check the CRC? Every time the page is locked? Every
time it's updated? If don't verify the CRC, what is it good for?
--
Heikki Linnakangas
EnterpriseDB http://www.enterprisedb.com
--
Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org)
To make changes to your subscription:
http://www.postgresql.org/mailpref/pgsql-hackers
