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Security Scanners on FabricPool-enabled aggregates may negatively impact performance

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cloud-tiering
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perf
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Applies to

  • ONTAP 9.2+
  • FabricPool

Issue

  • High latency observed on a cluster
  • High CPU utilization
  • High latency from qos statistics volume latency show in Cloud column
  • Workload            ID    Latency    Network    Cluster       Data       Disk        QoS      NVRAM      Cloud  FlexCache    SM Sync
--------------- ------ ---------- ---------- ---------- ---------- ---------- ---------- ---------- ---------- ---------- ----------
-total-              -    34.23ms   797.00us     2.00us     3.38ms    27.98us        0ms        0ms    30.02ms        0ms        0ms
vol1              8036   3  1.52s   190.00us        0ms   120.00us    60.00us        0ms        0ms      1.52s        0ms        0ms
  • May see EMS errors like below:
wafl.ca.latency.threshold:notice]: Measured latency from cloud (7512 msec) more than threshold (1000 msec) (aggregate: "aggr1", aggregate uuid: "XXXXXXXX-XXXX-XXXX-XXXX-XXXXXXXXXXXX", object store: "obj_store")

 

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