There are no issues of response buffering because this socket is under direct control of application.

响应缓存的问题不复存在，因为这个套接字直接受应用程序的控制。

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For example, a proxy server may be buffering the response and cause latency.

比如，一个代理服务器可能会缓冲响应而造成延迟。

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Writes the specified file directly to an HTTP response output stream, without buffering it in memory.

将文件的指定部分直接写入HTTP响应输出流，而不在内存中缓冲它。

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