The information is as below and you can also find case in attached link
Case Number: 2005519142
Company Name: SoFu
Case Priority: P3
Customer Region (State/Country/Timezone): Korea
The customer is using ZAPI “file-assign-qos” to configure QoS policy on this CDOT system(FAS8060 with full SSD).
They observed that calling ZAPI “file-assign-qos” results high CPU utilization “only” in the node1(Node2 is working well).
The following perfstat captured above behavior.