Query: use virtualization max performance and disable sub-numa clustering

[Jamala]

My server workload is for virtualization so I want change profile to virtualization maximum performance but with enable it some items in power and performance options such as Sub-Numa Clustering change Enable - SNC2 on top of that other options will changes in power and performance option menu. Now I just want to change profile with max virtualization performance . Do you suggest change workload to virtualization max performance and then change to custom and disable sub-numa clustering iterm ?

[Mamatha_J]

Hi,

Please refer to the attached document link, you might find it useful. 

https://www.hpe.com/psnow/resources/ebooks/a00112581en_us_v4/Workload_profiles_perf_options.html

Thank you!

[Greeshma21]

Hi @Jamala 

You can disable sub-numa clustering once you change it to custom. You can also modify the other options in Power and Performance. 

I assume there is no need to change the workload to virtualization maximum performance and then change to custom. Then, disabling sub-numa clustering

Please refer to the below doc for more info.

https://support.hpe.com/hpesc/public/docDisplay?docId=sd00005905en_us&docLocale=en_US&page=GUID-0F617844-8783-4C74-B8A0-86246A1E723F.html

Disabling Sub-NUMA Clustering

https://support.hpe.com/hpesc/public/docDisplay?docId=sd00005905en_us&page=GUID-0200DE9A-AFCF-4CF0-919D-713E2A8B915A.html&docLocale=en_US

Regards,
Greeshma

[Jamala]

@Mamatha_J, and @Greeshma21,

Thanks. But my server generation is G11 and on this generation when I change profile to virtualization maximum performance it also enable sub-numa clustering and cannot change it so just need to change profile to custom for disable sub-numa clustering . As I want to just diable sub-numa want to now is that enough to just disable Sub-numa clustering item or have to change othere items ? Does exist any dependency between items or not ?

[Greeshma21 · Accepted solution]

Hi @Jamala 

You can change the profile to custom to disable sub-numa clustering. There is a dependency only for enabling that; Sub-NUMA clustering can only be enabled if the XPT Prefetcher is also enabled. 

For more information, please refer to this document.
https://support.hpe.com/hpesc/public/docDisplay?docId=a00112581en_usen_us&page=GUID-0200DE9A-AFCF-4CF0-919D-713E2A8B915A.html&docLocale=en_US

I assume that when sub-numa clustering is disabled, there would be no impact on the other options.
The effect of disabling sub-numa cluring varies based on the specific system and workload.

Regards,
Greeshma

[support_s]

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