[CentOS] Have you run "tuned-adm profile throughput-performance" ?

Gordon Messmer gordon.messmer at gmail.com
Fri Jul 5 18:52:00 UTC 2019


On 7/5/19 11:48 AM, Gordon Messmer wrote:
> 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,


I take that back.  Disabling power-saving in the firmware probably also 
disabled CPU frequency scaling, which would prevent CentOS's default 
policy from scaling the frequency down to its minimum, so I wouldn't be 
surprised.



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