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大量のシングルボリュームワークロードによって駆動されるA800の高いNWK_EXempt CPU消費

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Category:
ontap-9
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perf
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環境

  • ONTAP 9
  • 単一ボリュームのワークロード

問題

  • cpu_busy 48 CPU A800で異常に高い(通常は90%以上)
  • nwk_exempt  48 CPU A800でCPUドメイン使用率が異常に高い(通常は2000%を超える)

*> node run -node <node_name> -command "priv set diag;sysstat -M 1" 

大量のシングルボリュームワークロードによって駆動されるA800の高いNWK_EXempt CPU消費

  • 1つのボリュームからの負荷が高いワークロード(通常は100k/秒を超えるIOPS)

 

 

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