On 6 May 2014 23:47, Josh Berkus <josh@agliodbs.com> wrote:
> If you're going to make
> an argument in favor of different tuning advice, then do it based on
> something in which you actually believe, based on hard evidence.
The proposed default setting of 4x shared_buffers is unprincipled
*and* lacks hard evidence from you and everybody else.
You've used the phrase "conventional wisdom" to describe things which
you have spoken loudly about. I personally have not seen sufficient
evidence to rely on that as wisdom.
I note that my detailed comments as to why it is unsafe have been
ignored, again.
-- Simon Riggs http://www.2ndQuadrant.com/PostgreSQL Development, 24x7 Support, Training & Services