>> Or the TTL of TCP connections might be too high for the volume of >> connections received. Someone else on net@ reported that changing >> this value to more aggressively reap sockets improved performance >> greatly (at the cost that more connections potentially needing to >> be reestablished and/or getting dropped on the floor if things go >> too high volume). > > That's a different topic I think. On busy web servers it's fairly > typical to have a lot of TCP sockets staying in TIME_WAIT state for > extended time and the usual tuning would be to set MSL to about 2 > seconds at the expense of sacrificing slow clients who can't make > 3-way handshake in time (*), etc. The TTL of IP packet have nothing > to do with this though, and our default (64) is saner than many other > operating systems.
Presumably RTT was meant here instead of TTL. _______________________________________________ freebsd-current@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-current To unsubscribe, send any mail to "freebsd-current-unsubscr...@freebsd.org"
