Yes, I tried that, but it didn't change the read sizes.- Have you tried to use the TCP_CORK feature? According to the sendpage man page you can use it to fine tune the transmission;
Yes, I use 2MB send and receive buffer sizes, which is 4x times the size of the read operations I intend to do, but it does not change the file system read sizes either, which are still ~128K.- Have you tried to increase the sending and receiving output thru' the SO_SNDBUF and SO_RCVBUF setsockopt parameters?
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