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Low NFS read throughput on ESXi due to tuning

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Category:
ontap-9
Specialty:
perf
Last Updated:

Applies to

  • ONTAP 9
  • VMware vSphere 6 and later

Issue

  • Doing benchmark testing or file transfers, read transfer throughput is noted to be lower than expected on VMs running on ESXi NFS datastores
  • Latency is low without any bottlenecks on storage
  • Latency is high on the guest VM or the ESXi host

 

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