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Bursty write append workloads impacting write latency on AFF

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Category:
ontap-9
Specialty:
perf
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Applies to

  • ONTAP 9
  • AFF platforms
  • Linux
  • NFS

Issue

  • Increased write latency / write latency higher than expected
  • Review of QoS statistics volume latency show output has majority of latency in "data" column
  • Review of Unified Manager or NetApp Harvest shows increased write latency
  • Applications that write append files in periodic large batches or bursts may experience a logical processing bottleneck

 

 

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