CONVA-229260：全SAN阵列CPU利用率高时、写入量会比较大

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Category:: ontap-9

Specialty:: perf

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问题描述

Write workload increased on LUNs or Volumes
While latency is noticeable:[ *> node run -node <node_name> -command "priv set diag;systat -x" ] reveals:100% CPU
Column: [ CP_Ty ] marked as: B (Back-to-Back Consistency Points)
[ *> node run -node <node_name> -command "priv set diag;systat -M 1" ] reveals high [ nwk_exempt ]
Platform is All SAN Array (ASA)
Similar workload on All Flesh FAS (AFF) seems to behave differently