With the default if 0, we trigger a lot of these:
[29055.817884] TCP: request_sock_TCP: Possible SYN flooding on port 8765. Sending cookies. Check SNMP counters.
Set it to 4, even 2 seems to be enough to get rid of it.
Signed-off-by: Jens Axboe <axboe@fb.com>
log_info("fio: server listening on %s\n", bind_str);
- if (listen(sk, 0) < 0) {
+ if (listen(sk, 4) < 0) {
log_err("fio: listen: %s\n", strerror(errno));
close(sk);
return -1;