An interesting feature of HP which may make
them less desirable to Oracle -Unlike other
machines, the HP chips have no atomic
'compare and swap' call, and this could
make a big difference to efficiency in Oracle 9,
especially in the area of shared latches
Look out for contention on the CAS Latch,
used to emulate this function in software
on the HP port.
Jonathan Lewis
http://www.jlcomp.demon.co.uk
Host to The Co-Operative Oracle Users' FAQ
http://www.jlcomp.demon.co.uk/faq/ind_faq.html
Author of:
Practical Oracle 8i: Building Efficient Databases
Screen saver or Life saver: http://www.ud.com
Use spare CPU to assist in cancer research.
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