On Tue, May 31, 2011 at 09:41, Anupam Kapoor <anupam.kapoor@xxxxxxxxx> wrote: > yup, that's what i also think. is it possible that nagle+delayed-ack > is causing the perceived slow-down ? could be, but have you tried to switch and use various congestion control ? check /proc/sys/net/ipv4/tcp_congestion_control and here are enabled ones from my distro stock kernel: $ grep -i cong /boot/config-`uname -r` CONFIG_TCP_CONG_ADVANCED=y CONFIG_TCP_CONG_BIC=y CONFIG_TCP_CONG_CUBIC=y CONFIG_TCP_CONG_WESTWOOD=m CONFIG_TCP_CONG_HTCP=m CONFIG_TCP_CONG_HSTCP=m CONFIG_TCP_CONG_HYBLA=m CONFIG_TCP_CONG_VEGAS=m CONFIG_TCP_CONG_SCALABLE=m CONFIG_TCP_CONG_LP=m CONFIG_TCP_CONG_VENO=m CONFIG_TCP_CONG_YEAH=m CONFIG_TCP_CONG_ILLINOIS=m CONFIG_DEFAULT_TCP_CONG="cubic" -- regards, Mulyadi Santosa Freelance Linux trainer and consultant blog: the-hydra.blogspot.com training: mulyaditraining.blogspot.com _______________________________________________ Kernelnewbies mailing list Kernelnewbies@xxxxxxxxxxxxxxxxx http://lists.kernelnewbies.org/mailman/listinfo/kernelnewbies
