Have you ruled out AWS limits? Putting varnish aside for a minute, can you handle 5k/sec TCP conns with something like nginx +static files.? On 30/04/2014 4:35 am, "Jason Price" <[email protected]> wrote:
> (And Jorge: iptables isn't in play at all. lsmod | grep iptables > shows nothing.) > > On Mon, Apr 28, 2014 at 4:37 PM, <[email protected]> wrote: > > Could you print the output for? > > $ ss -s > > $ sudo sysctl -a|egrep > > "ip_local_port_range|tcp_max_tw_buckets|backlog|somaxconn" > > [root@XXXXXXXXX ~]# ss -s > Total: 853 (kernel 6127) > TCP: 695 (estab 292, closed 94, orphaned 0, synrecv 0, timewait 94/0), > ports 0 > > Transport Total IP IPv6 > * 6127 - - > RAW 0 0 0 > UDP 8 5 3 > TCP 601 598 3 > INET 609 603 6 > FRAG 0 0 0 > > [root@XXXXXXXXX ~]# sysctl -a|egrep > "ip_local_port_range|tcp_max_tw_buckets|backlog|somaxconn" > net.core.netdev_max_backlog = 5000 > net.core.somaxconn = 512 > net.ipv4.ip_local_port_range = 32768 61000 > net.ipv4.tcp_max_syn_backlog = 4096 > net.ipv4.tcp_max_tw_buckets = 131072 > > This system isn't under super heavy load currently (about 400 req/sec) > but it has been at max load. > > _______________________________________________ > varnish-misc mailing list > [email protected] > https://www.varnish-cache.org/lists/mailman/listinfo/varnish-misc >
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