> - the machine was freshly booted, and received 1000 connections serving > 48kB each. All write()s took about 50ms. > - the same machine and same test, under 2.2.17pre18, works fine, with > the writes taking about 0.5ms. > - next, I set /proc/sys/net/ipv4/tcp_wmem to '65536 65536 131072', > without a change in result. ... > (just checked by reading SO_SNDBUF in my server, it is indeed shown > as 65536 byte) Without understanding the reason: all of the above is still valid, but I found out that when I explicitly setsockopt(SO_SNDBUF) to 64k, the writes become tame again. David, is this intentional? regards Patrick - : send the line "unsubscribe linux-net" in the body of a message to majordomo@vger.kernel.org
