Tom,

> If we had a portable way
> of preventing the kernel from caching the same page, it would make more
> sense to run with large shared_buffers.

Really?  I thought we wanted to move the other way ... that is, if we could 
get over the portability issues, eliminate shared_buffers entirely and rely 
completely on the OS cache.

-- 
Josh Berkus
Aglio Database Solutions
San Francisco

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