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CONTAP-276644: Enabling FPolicy may lead to high client IO latency due to flow control.

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ontap-9
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nas
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Issue

  • FPolicy when configured in ONTAP 9.14.1 or later releases may lead to high client IO latency due frequently engaged flow control.
  • EMS is raised whenever the flow control is engage:
  [netapp-02: kernel: Nblade.fpolicy.flow.control:error]: FPolicy flow control is engaged as the monitored file operations rate crossed the sustainable limit[13000] for this platform.

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