On Thu, 28 Jun 2007, ITAGAKI Takahiro wrote:
> Do you need to increase shared_buffers in such case?
If you have something going wild creating dirty buffers with a high usage
count faster than they are being written to disk, increasing the size of
the shared_buffers cache can just make the problem worse--now you have an
ever bigger pile of dirty mess to shovel at checkpoint time. The existing
background writers are particularly unsuited to helping out in this
situation, I think the new planned implementation will be much better.
--
* Greg Smith gsmith@gregsmith.com http://www.gregsmith.com Baltimore, MD