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在使用具有krb5p安全性的NFS4.1时、出现高延迟或吞吐量降低的情况

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Category:
ontap-9
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perf<a>2009-375238</a>
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适用场景

  • ONTAP 9
  • NFS 4.1
  • krb5p身份验证模式。

问题描述

  • 使用具有krb5p安全性的NFS4.1时、会报告延迟较长或吞吐量较低。
  • 与NFS4.1+ krb5安全性相比、延迟更高。
  • 与写入相比、读取工作负载的性能降级似乎更高。
  • 大多数延迟都被视为已从CPU_NBlade中排除。

cluster::*> qos statistics volume latency show
Workload            ID    Latency    Network    Cluster       Data       Disk    QoS Max    QoS Min
--------------- ------ ---------- ---------- ---------- ---------- ---------- ---------- ----------
-total-              -    16.46ms    16.41ms        0ms    49.00us        0ms        0ms        0ms
vol1-wi..       12345   16.55ms    16.50ms        0ms    49.00us        0ms        0ms        0ms
vol1-wi..       12345   16.37ms    16.32ms        0ms    48.00us        0ms        0ms        0ms
-total-              -    16.52ms    16.47ms        0ms    49.00us        0ms        0ms        0ms
vol1-wi..       12345   16.57ms    16.52ms        0ms    49.00us        0ms        0ms        0ms
vol1-wi..       12345   16.46ms    16.41ms        0ms    49.00us        0ms        0ms        0ms

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