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AFFの書き込みレイテンシに影響を与えるバースト書き込み追加ワークロード

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Category:
ontap-9
Specialty:
perf
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環境

  • ONTAP 9
  • AFFプラットフォーム
  • Linux
  • NFS

問題

  • 書き込みレイテンシの増加/書き込みレイテンシが想定よりも高い
  • QoS統計のvolume latency show出力を確認すると、「data」列にレイテンシの大部分が表示されます
  • Unified ManagerまたはNetApp Harvestの確認で書き込みレイテンシの増加が示されます
  • 定期的に大きなバッチまたはバーストで追加ファイルを書き込むアプリケーションでは、論理処理のボトルネックが発生する可能性があります

 

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