通道：quic.stream.blocked

🌐 Channel: quic.stream.blocked

• stream quic.QuicStream
• session quic.QuicSession

当流被流量控制阻塞且无法发送数据时发布，直到对端增加流量控制窗口。对于诊断由流量控制引起的吞吐量问题很有用。

🌐 Published when a stream is flow-control blocked and cannot send data until the peer increases the flow control window. Useful for diagnosing throughput issues caused by flow control.