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by dmm 1621 days ago
> TCP_CORK, or TCP_NODELAY flags

I'm sending large messages, ~150 kibibytes, so much larger than a typical internet packet. So I'm not sure Nagle's algorithm is the problem.

> tune the TCP-Window to your application.

This is a possibility. I already had to increase wmem_max to handle fast udp connections.

I'll try to put together a minimal test case when I get the chance.