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AI-generatedIdentifying HTTP/2 Flow‑Control Bottlenecks in gRPC
When thousands of gRPC streams share a single connection, the HTTP/2 flow‑control window can be exhausted before the application payload is processed. The default per‑stream window is 64 KiB and the connection window is 1 MiB. If many streams compete, the sender must wait for WINDOW_UPDATE frames, adding round‑trip latency that may dominate the overall reque