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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
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perf
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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、CPUまたはディスク利用率が高い
  • 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ときに発生します。
  • 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つのノードで一貫して非常に高いリソース消費が見られる

 

 

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