ESX Slow NVMe with intel driver

Discussion in 'VMware, VirtualBox, Citrix' started by Rand__, Jun 15, 2018.

  1. Rand__

    Rand__ Well-Known Member

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    Just found this, thought it might interest ppl
    VMware Knowledge Base



    Low I/O performance using intel-nvme drivers 1.3.2.8-1OEM and 1.3.2.4-1OEM with block sizes larger than 4K (55693)
    Symptoms
    • Significant performance degradation is observed when I/O block size is greater than 4K.
    • 4K block size IOPS are not affected.
     
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    Tha_14, svtkobra7 and Aestr like this.
  2. Aestr

    Aestr Active Member

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    Interesting. Thanks for the heads up!
     
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