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IOサイズが大きいため、ONTAP でCPU Dbladeのレイテンシが高くなりました

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ontap-9
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perf<a>2009266891</a>
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環境

  • ONTAP 9
  • AFF、ASA
  • SAP HANA
  • Oracle

問題

  • I/Oのレイテンシが想定よりも高くなっています。
  • ホストからバックアップウィンドウ中に読み取りレイテンシの高いグラフが報告される

2009331222- latency.pngを参照してください

  • データ処理（CPU Dblade）にレイテンシが表示される
  • 大容量書き込みにも適用できます。

 

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