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由于锁定、网络处理(CPU N刀片)延迟较高、性能较差

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Category:
ontap-9
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nas<a>2008926063</a>
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适用场景

  • ONTAP 9.6 及更高版本
  • NFSv4

问题描述

  • 的 " 网络 " 列显示了高延迟 qos statistics volume latency show
  • 出现高锁定卷转
Cluster::> set diag Cluster::*> statistics start -object rw_ctx -counter nfs_rewinds <wait 1 hour> Cluster::*> statistics show -object rw_ctx -counter nfs_rewinds -value >1 Object: rw_ctx Instance: rw_ctx Start-time: 10/1/2021 21:37:16 End-time: 10/1/2021 22:37:16 Scope: node1 Counter Value -------------------------------- -------------------------------- nfs_rewinds - Lock Open Owner 229597544 <--over 60,000 per second Lock Open State 18610 Cluster::*> 

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