Hi, Linux kernel version 4.14 adds support for zero-copy from user memory to TCP sockets by setting MSG_ZEROCOPY flag. This is for the sending side of the socket, for the receiving side of the socket we need to wait for kernel version 4.18.
Will you consider enabling this on HAProxy? More info can be found here, https://www.kernel.org/doc/html/latest/networking/msg_zerocopy.html Cheers, Pavlos
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