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パフォーマンス上の問題でFlash Cacheの読み取り数が非常に少ないのはなぜですか

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ontap-9
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perf<a>2009324505</a>
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環境

ONTAP 9

問題

  • ユーザやVMのアプリケーションでパフォーマンスの問題が発生し、ONTAP で想定よりもレイテンシが高くなっています
  • Active IQ Unified Manager （AIQUM）では、Flash Cacheのヒット率が15%低くなっています

例：

Flash Cache latency.png

 

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