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Bad read performance for reads  after upgrading to 9.6 and later

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244
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Category:
ontap-9
Specialty:
nas
Last Updated:

Applies to

  • Ontap 9.6 and later
  • Client connected to a 1g network
  • Filer connected to a 10g network
  • Client generating burts of requests spaced 240ms of more

Issue

  • Slow read performance will be seen with service response time surpassing the TCP retransmission time out
  • A packet trace will show spaced bursts of requests and a high level of packet loss during the response traffic

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