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ブランチキャッシュ機能による CPU 使用率の上昇

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Category:
ontap-9
Specialty:
Perf
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環境

  • ONTAP 9
  • CIFS / SMB
  • BranchCache

問題

  • CPU 利用率が高い
  • ホスト OS が最もビジーな CPU ドメイン
    の例:

     cluster::> set diag
cluster::*> node run cluster-2a sysstat -c 20 -M 1

  • Hashd は CPU ホストドメイン


    cluster::> set advanced
    cluster::*> node run -node cluster-2a ps -z

    を使用しています。 1 分間待機します
    cluster::*> node run -node cluster-2a ps
    Process statistics over 58.471 seconds...
      ID State Domain  LastRan_ms    %CPU   StackUsed    %StackUsed   Name
     3639 FB   o       298425     99%       0       100%   hashd
     3640 FB   o      90459243     98%       0       100%   hashd
     3641 FB   o      90459243     99%       0       100%   hashd
     3642 FB   o      90459243     99%       0       100%   hashd
     3643 FB   o      90459243      0%       0       100%   hashd
     3644 FB   o       2098312      0%       0       100%   hashd
     3645 FB   o      90459242      0%       0       100%   hashd
     3646 FB   o       3928472      0%       0       100%   hashd

 

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