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名前変更の負荷が高いワークロードによるFlexGroupコンスティチュエントでのCIFSレイテンシの上昇

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ontap-9
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perf
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環境

  • ONTAP
  • FlexGroup
  • CIFS

問題

  • CPU Dブレードのレイテンシが高い。
  • CIFS遅延が高い。
  •  複数のノードで異なるコンスティチュエント が影響を受けます。

cluster01::*> system node run -node node-01 -command "wafltop show -v latency -i 10 -n 10"
Latency
               Application       Latency ms
               -----------       ----------
   aggr01:VOLUME_FLEXGROUP__0010:cifs:       885.569
   aggr01:VOLUME_FLEXGROUP__0008:cifs:        58.957
   aggr01:VOLUME_FLEXGROUP__0009:cifs:        53.140
   aggr01:VOLUME_FLEXGROUP__0004:cifs:        52.011
   aggr01:VOLUME_FLEXGROUP__0006:cifs:        38.911
   aggr01:VOLUME_FLEXGROUP__0011:cifs:        37.636
   aggr01:VOLUME_FLEXGROUP__0001:cifs:        34.990

  • FlexGroup CVSには100%リモート配置がありました。

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