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ゲストVMでの読み取りレイテンシが高い

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環境

  • ONTAP 9
  • NFS
  • VMware ESXi

問題

  • LinuxゲストVMの読み取りレイテンシが高くなっています
 
  • nfsiostat avg RTT (ms) との avg exe (ms) 時間の違いを表示します。
                  ops/s    rpc bklog
42.084      0.000
 
read:        ops/s       kB/s      kB/op     retrans   avg RTT (ms)   avg exe (ms)
6.474     5621.697     868.353     0 (0.0%)     122.872     331.764
write:       ops/s       kB/s      kB/op     retrans   avg RTT (ms)   avg exe (ms)
33.986    19821.226     583.223     0 (0.0%)      40.425     260.674

 

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