On Sat, Jul 12, 2008 at 05:40:25PM +0300, Denys Fedoryshchenko (denys@xxxxxxxxxxx) wrote: > Seems i found something. After issuing ethtool -K lo tso on i got significant performance improvement. > Why it is not on by default? > Without it performance is VERY poor. TSO over loopback turns to be GSO, which allows to aggregate multiple packets into single frame. If system is not CPU bound, then it is likely REDIRECT problem. If I understood you corerctly, loopback performance is always good without REDIRECT, but fails to miserable level when apprpriate rule is used? -- Evgeniy Polyakov -- To unsubscribe from this list: send the line "unsubscribe netfilter-devel" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
