M. Warner Losh wrote: > Greetings, > > I have a friend who is having problems with a service he's running. > He gets billions and billions of connections to this service a day. > Somewhere between 10^8 and 10^9 connections, he notices that his > servers lose the ability to accept new connections. These are TCP > connections. > > This is with FreeBSD 6.1R. My first question is: does anybody know if > the fixes to -current/7.0 have fixed this? Is there a fix that can be > back ported? He's currently working around the problem by having a > number of different machines that reboot in a round robin fashion, but > would like a better solution. > > Warner > _______________________________________________ Warner, if he hasn't done so already, have you suggested tweaking the sysctl variables, such as: kern.maxfilesperproc kern.ipc.nmbclusters kern.maxprocperuid kern.maxfiles kern.ipc.somaxconn kern.maxvnodes
Tweaking those may help, or he may just be exhausting available resources, IIRC its limited to 65k connections per interface, someone correct me if I am wrong. -- Joe Holden T: (UK) 02071009593 (AU) 282442321 E: [EMAIL PROTECTED] _______________________________________________ freebsd-net@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-net To unsubscribe, send any mail to "[EMAIL PROTECTED]"
