> 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