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Azure CVO write latencies with low write IOPS and Throughput

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Category:
cloud-volumes-ontap-cvo
Specialty:
perf
Last Updated:

Applies to

  • Cloud Volumes ONTAP (CVO)
  • ONTAP 9.15.1
  • Azure

Issue

  • NFS write performance issue reported by end clients.
  • Write latency starts to be noticeable already with ~40MB/s write throughput and ~700 write IOPS.
  • Current NVRAM is on Premium SSD (LRS) P30, SIDL enabled on data aggregate, limits for this disk type are not reached.

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