Hi Julian Am 17.03.2020 um 14:23 schrieb Julian Anastasov: > > Yes, when nf_conntrack is used it would be better to > set /proc/sys/net/ipv4/vs/conntrack to 1, as reported by different > users, for example: > > https://marc.info/?t=134728825000003&r=1&w=2 > > In this case, you have to increase nf_conntrack_max sysctl var > to allow the desired number of conntracks to be created. > Ok, i will give it a try. nf_conntrack_max is set to 262144 (default?). I would set it to 1024000. Do you have any recommondation for this value? ip_vs_conn shows 18753 entries.
> Another option is to use NOTRACK to disable nf conntracks just for > the IPVS traffic: > > iptables -t raw -A PREROUTING -p tcp -d VIP --dport VPORT -j CT --notrack > > For local clients use -A OUTPUT -o lo As we do not use any iptables rule or connection tracking (except for ipvs) on the loadbalancer, could it be an option for performance optimization to disable nf_conntrack (like ip_conntrack in the past) or is it essentially needed for proper ipvs functionality? Just an additional info: we use Intel X710 10Gbit NICs. Thanks. regards Marco _______________________________________________ Please read the documentation before posting - it's available at: http://www.linuxvirtualserver.org/ LinuxVirtualServer.org mailing list - lvs-users@LinuxVirtualServer.org Send requests to lvs-users-requ...@linuxvirtualserver.org or go to http://lists.graemef.net/mailman/listinfo/lvs-users