We see send (AR) which is the send buffer from the client.

我们看到SEND (AR)，它是客户机上的发送缓冲区。

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The third value is the maximum send buffer space (overridden by wmem_max).

第三个值是发送缓冲区空间的最大字节数（该值会被 wmem_max 覆盖）。

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If the buffer is full, further Send operations are blocked.

如果缓冲区已满，将阻止后来的“发送”操作。

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If the buffer is full, further Send operations are blocked.

如果缓冲区已满，将阻止后来的“发送”操作。

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