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重複排除による低レイテンシ、高いCPUまたはディスク利用率

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Category:
ontap-9
Specialty:
perf<a>高 CPU</a><a>使用率</a><a>2008521517</a>
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環境

  • ONTAP 9 
  • Active IQ Unified Manager

問題

  • IOPSが低いにもかかわらず、高いCPUまたはディスク利用率が見られる
  • これは、重複排除ジョブがスケジュールされたボリューム効率化スキャンを実行している場合に発生します
  • Node Performance Limit - Active IQ Unified Manager (AIQUM)経由で受信されるシステムノード利用率メッセージ
  • 1つのノードで常に非常に高いリソース消費が見られる

 

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