You really want to bump this up from the default, because if its limit is reached, the sending application suspends data transfer until TCP sends the data to the buffer.

您可能希望使其超过默认值，因为如果达到了限制值，发送应用程序则将挂起数据传输，直到 TCP 将数据发送到缓冲区为止。

youdao

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