On 18.12.2011 10:54, David Fetter wrote:
On Sun, Dec 18, 2011 at 10:14:38AM +0200, Heikki Linnakangas wrote:
On 17.12.2011 23:33, David Fetter wrote:
If this introduces new failure modes, please detail, and preferably
demonstrate, just what those new modes are.
Hint bits, torn pages -> failed CRC. See earlier discussion:
http://archives.postgresql.org/pgsql-hackers/2009-11/msg01975.php
The patch requires that full page writes be on in order to obviate
this problem by never reading a torn page.
Doesn't help. Hint bit updates are not WAL-logged.
--
Heikki Linnakangas
EnterpriseDB http://www.enterprisedb.com
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