On 7/4/19 10:18 PM, Steven Tardy wrote:
I would also look at power settings in the BIOS and c-state settings in the BIOS and OS as disabling c-states (often enabled by default to meet green/energy star compliance) can make a noticeable performance difference.
I'd be surprised if it did, but now that you mention it, I think that we should probably mention more often that CentOS's default performance policy is power-saving, which will cut maximum performance in half. Every physical system running CentOS should have run "tuned-adm profile throughput-performance".
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