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I plan to buy one Intel® Xeon® Gold 6126 Processor, but I don't know if it supports the MBA feature.
As far as I know, the MBA feature is not included on previous Intel® Xeon® Processors E5-xxxx V4, which only supports: MBM, CAT, CMP, CDP.
Thanks,
Steven
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Hi Steven,
Intel is always including new features on its products. The Memory Bandwidth Allocation is still under development and proximately will start working with Linux kernel 4.12.
It will be part of Intel® Resource Director Technology.
https://www.intel.com/content/www/us/en/architecture-and-technology/resource-director-technology.html
The next generation of Intel® Xeon processors might include this feature.
Regards,
Miguel C
Intel Customer Support
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Hi Steven,
I am wondering if I can help you with anything else.
Regards,
Miguel C
Intel Customer Support
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Hi, Miguel,
Thank you for the reply.
I am a little confused, do you mean that the Intel® Xeon® Gold 6126 Processor will support MBA if working with Linux kernel 4.12?
Thanks,
Steven
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Hello /thread/126091 Steven,
Good day,
I like to know if further assistance is needed,
If so, please do not hesitate in replying back to this interaction.
Edward_C Intel
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Hi Imsteven,
According to the official documentation, the next generation of Intel® Xeon® processors will include Memory Bandwidth Allocation (MBA) starting with Linux. The Intel® Xeon® Gold 6126 does not include this technology.
I look forward to your reply.
Regards,
Miguel C
Intel Customer Support
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Hi, Miguel,
So sad to know that the Intel® Xeon® Gold 6126 does not include this technology.
My order of 3*Intel® Xeon® Gold 6126+256GB Memory configured servers are on the way to my office. I do know what I can do further, since the only reason I buy them is MBA.
As far as I know, you claimed that MBA is supported by skylake last year.
There are also some reference saying that the skylake server will support MBA, for example: https://github.com/intel/intel-cmt-cat https://github.com/intel/intel-cmt-cat
Hope you can do something to enable MBA in Intel® Xeon® Gold 6126.
Best,
Steven
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Hi Imsteven,
I have reviewed the official documentation of https://www.intel.com/content/www/us/en/architecture-and-technology/resource-director-technology.html Intel® Resource Director Technology
and https://01.org/intel-rdt-linux/blogs/fyu1/2017/resource-allocation-intel%C2%AE-resource-director-technology Intel Resource Director Technology (RDT) in Linux from 01 Intel Open Source.org and Memory Bandwidth Allocation (MBA) is still under development.
The Intel Open Source website provides the information on how to set the Intel® Resource Director Technology using Linux operating system.
Current processors are supporting Memory Bandwidth Monitoring (MBM); I am adding some helpful links.
https://software.intel.com/en-us/articles/introduction-to-memory-bandwidth-monitoring Introduction to Memory Bandwidth Monitoring in the Intel® Xeon® Processor E5 v4 Family
https://software.intel.com/en-us/articles/memory-bandwidth-monitoring-usage-models Usage Models for Memory Bandwidth Monitoring in the Intel® Xeon® Processor E5 v4 Family
Third party websites contain useful information; however, the processor features, software details and more might not be accurate. I suggest using our Intel official websites:
https://ark.intel.com/ Ark.intel.com
https://www.intel.com/content/www/us/en/support.html Intel support website
https://01.org/ 01 Intel Open Source.org (Engineers work with the community in a free manner, no support available but there is a forum to post questions)
Regards,
Miguel C
Intel Customer Support
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Hi Imsteven,
I am following up on your concern; please let me know if we can assist you in anything else.
Regards,
Miguel C
Intel Customer Support

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