Please expound. (in our use case, our backends are all 'local' within the AWS regions, with less than 1 millisecond RTT (sometimes way less).)
Our frontend systems are ELBs with similar response times. That's a rough approximation of 'LAN' usage, unless I'm missing something. --Jason On Thu, May 15, 2014 at 9:30 AM, Per Buer <[email protected]>wrote: > Those are probably fine on a LAN for benchmarking but they will not work > on the internet. > > Per. > > > On Tue, May 13, 2014 at 3:31 PM, Jason Price <[email protected]> wrote: > >> Private message requesting TCP tuning. For the record, these are >> draft numbers and very tightly tied to our use case, so they should >> not be copied blindly. >> >> somaxconn is 512 >> txqueuelen is 5000 >> netdev_max_backlog is 5000 >> tcp_max_syn_backlog is 4096 >> enable tcp_tw_recycle >> enable tcp_tw_reuse >> >> >> >> >> On Tue, May 13, 2014 at 6:45 AM, Γιάννης Καραγιαννίδης >> <[email protected]> wrote: >> > Could you please give us some more information about your >> > TCP tuning? >> > Regards >> > Yiannis >> > >> > -----Original Message----- >> > From: >> > [email protected][mailto: >> [email protected]] On >> Behalf Of Jason Price >> > Sent: Tuesday, May 13, 2014 12:33 AM >> > To: Norberto Meijome >> > Cc: [email protected] >> > Subject: Re: System can't take more than 5k req /sec >> > >> > So, through some TCP tuning we've been able to get to 20k/s. Though I >> needed to get up to 8k threads per pool. >> > >> > Many docs say 'Don't go more than 4k threads'. Can someone explain >> that? Anyone have experience with 8-10k threads? >> > >> > --Jason >> > >> > On Tue, Apr 29, 2014 at 10:41 PM, Jason Price <[email protected]> >> wrote: >> >> On Tuesday, April 29, 2014, Norberto Meijome <[email protected]> wrote: >> >>> >> >>> 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.? >> >> >> >> This is an excellent question. I'll see what kind of answer I'll get >> to it. >> >> >> >> -Jason >> > >> > _______________________________________________ >> > varnish-misc mailing list >> > [email protected] >> > https://www.varnish-cache.org/lists/mailman/listinfo/varnish-misc >> >> _______________________________________________ >> varnish-misc mailing list >> [email protected] >> https://www.varnish-cache.org/lists/mailman/listinfo/varnish-misc >> > > > > -- > <http://www.varnish-software.com/> *Per Buer* > CTO | Varnish Software > Phone: +47 958 39 117 | Skype: per.buer > We Make Websites Fly! > > Winner of the Red Herring Top 100 Global Award 2013 > > >
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