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为什么许多小文件的传输时间比很少的大文件要长？

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ontap-9
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适用场景

基于文件的传输

ONTAP 9

问题解答

  • 传输文件时，典型应用程序一次会通过一个文件进行复制
  • 每个文件创建都需要执行多个元数据操作，才能完全写入该文件
  • 每个操作都可以使用额外的往返时间（ RTT ）来完成
  • 对于较小的文件，写入部分可以完成，而不会达到链路的带宽容量
    • 在下图中，您可以看到，在传输大型文件时，传输中的字节数保持在接近容量的位置，而在传输小型文件时，传输速率非常零星。

1big-vs-100small-files-ftp-01s-Bit.png

追加信息

要帮助了解网络性能，请参见TCP 计算器

 

 

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