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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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Category:
ontap-9
Specialty:
perf<a>2009266891</a>
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環境

  • ONTAP 9
  • AFFシステム
  • SAP HANA
  • Oracle

問題

  • AFF システムでは、I/Oが想定よりもレイテンシが高くなっています
  • ホストは、バックアップウィンドウ中に高い読み取り遅延グラフを報告します

2009331222- latency.pngを参照してください

  • データ処理、つまりCPU Dbladeでレイテンシが発生します
  • 大容量書き込みにも適用されます。

 

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