Our testing shows that RHEL5's kernel finally handles NUMA properly.
Leave the ACPI SRAT table enabled, and disable node interleaving for
best performance.
RHEL3 and RHEL4 (up to U5) still need node interleaving ON for best
performance. RHEL4 U6+ seems to be better with NUMA.
Paul Krizak 7171 Southwest Pkwy MS B400.2B
Senior Systems Engineer Austin, TX 78735
Advanced Micro Devices Desk: (512) 602-8775
Linux/Unix Systems Engineering Cell: (512) 791-0686
Silicon Design Division Fax: (512) 602-0468
Mindaugas Riauba wrote:
Hello,
Just got brand new HP DL585G5 server with 4x 8378 AMD Opterons
(Shanghai). All the CPUs have the same amount of RAM.
What is current best practice for memory interleaving BIOS parameter
and numa= kernel option? OS of course will be fully updated RHEL5.2.
Server will be running Oracle 10g database.
Regards,
Mindaugas
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