Displaying 1 result from an estimated 1 matches for "big100m".
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big10
2006 Jan 24
4
sftp performance problem, cured by TCP_NODELAY
...int res = next_connect(sock, addr, addrlen);
if (addr->sa_family == AF_INET) {
int opt = 1;
setsockopt(sock, IPPROTO_TCP, TCP_NODELAY, &opt, sizeof(opt));
}
return res;
}
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$ time sftp -b /tmp/big100M.b server
sftp> get big100M /dev/null
Fetching /tmp/big100M to /dev/null
real 0m18.231s
user 0m6.248s
sys 0m1.684s
$ time LD_PRELOAD=/tmp/sshnodelay.so sftp -b /tmp/big100M.b server
sftp> get big100M /dev/null
Fetching /tmp/big100M to /dev/null
real 0m9.001s
user 0m6.320s
sys...