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High or fluctuating latency after turning on NetApp ONTAP File System Analytics

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Category:
ontap-9
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perf
Last Updated:

Applies to

  • ONTAP 9
  • File System Analytics (FSA)

Issue

xxxxxxfn kernel: nfs: server xxx.xxxxxxx.com not responding, still trying
xxxxxxfn kernel: nfs: server xxx.xxxxxxx.com not responding, still trying
xxxxxxfn kernel: nfs: server xxx.xxxxxxx.com not responding, still trying
xxxxxxfn kernel: nfs: server xxx.xxxxxxx.com not responding, still trying
xxxxxxfn kernel: nfs: server xxx.xxxxxxx.com not responding, still trying
xxxxxxfn kernel: nfs: server xxx.xxxxxxx.com OK

    • After turning on NetApp ONTAP File System Analytics (FSA) there is a noticeable increase in latency
    • EMS shows analytics overload messages

      [node-01: AnalyticsReminders: wafl.analytics.enterOverload:notice]: The analytics subsystem is not keeping up with the amount of work being generated by the system
      [node-01: AnalyticsReminders: wafl.analytics.exitOverload:notice]: The analytics subsystem is performing normally.
      [node-01: AnalyticsReminders: wafl.analytics.enterOverload:notice]: The analytics subsystem is not keeping up with the amount of work being generated by the system.
      [node-01: AnalyticsReminders: wafl.analytics.exitOverload:notice]: The analytics subsystem is performing normally.

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