The postgresql.conf says that the maximum checkpoint_timeout is 1 hour.
However, the following messages seem to suggest that it may be useful to
set the value significantly higher to reduce unnecessary WAL volume:
http://archives.postgresql.org/pgsql-hackers/2006-10/msg00527.php
On Fri, Feb 23, 2007 at 10:14:29AM -0800, Jeff Davis wrote:
The postgresql.conf says that the maximum checkpoint_timeout is 1 hour.
However, the following messages seem to suggest that it may be useful to
set the value significantly higher to reduce unnecessary WAL volume:
On Fri, 2007-02-23 at 14:02 -0600, Jim C. Nasby wrote:
say that checkpoints cause extra disk I/O. Is there a good way to
measure how much extra I/O (and WAL volume) is caused by the
checkpoints? Also, it would be good to know how much total I/O is caused
by a checkpoint so that I know if
On Fri, Feb 23, 2007 at 12:23:08PM -0800, Jeff Davis wrote:
On Fri, 2007-02-23 at 14:02 -0600, Jim C. Nasby wrote:
say that checkpoints cause extra disk I/O. Is there a good way to
measure how much extra I/O (and WAL volume) is caused by the
checkpoints? Also, it would be good to know
