> In fact, Oracle was one of the folks who lobbied the most for getting
> 'raw' (uncached by the Linux kernel) device access, and this did in
> fact turn out to improve Oracle performance (on Linux/Intel).

This is also the recommendation for Flex-ES running under Linux.  It, too, manages its 
own
caching.

See SG24-6834-00 p.11

--
  Phil Payne
  http://www.isham-research.com
  +44 7785 302 803
  +49 173 6242039

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