<div dir="ltr">reuse/recycle breaks clients on NATed network. I think reuse by itself is dodgy, but generally works OK. recycle is pretty bad.</div><div class="gmail_extra"><br><br><div class="gmail_quote">On Thu, May 15, 2014 at 7:17 PM, Jason Price <span dir="ltr"><<a href="mailto:japrice@gmail.com" target="_blank">japrice@gmail.com</a>></span> wrote:<br>
<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr"><div><div><div><div>Please expound.<br><br></div>(in our use case, our backends are all 'local' within the AWS regions, with less than 1 millisecond RTT (sometimes way less).)<br>
<br></div>Our frontend systems are ELBs with similar response times.<br>
<br></div>That's a rough approximation of 'LAN' usage, unless I'm missing something.<span class="HOEnZb"><font color="#888888"><br><br></font></span></div><span class="HOEnZb"><font color="#888888">--Jason<br>
</font></span></div><div class="HOEnZb"><div class="h5"><div class="gmail_extra"><br><br><div class="gmail_quote">On Thu, May 15, 2014 at 9:30 AM, Per Buer <span dir="ltr"><<a href="mailto:perbu@varnish-software.com" target="_blank">perbu@varnish-software.com</a>></span> wrote:<br>
<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr">Those are probably fine on a LAN for benchmarking but they will not work on the internet.<div><br></div>
<div>Per.</div></div><div class="gmail_extra"><div><div><br><br><div class="gmail_quote">On Tue, May 13, 2014 at 3:31 PM, Jason Price <span dir="ltr"><<a href="mailto:japrice@gmail.com" target="_blank">japrice@gmail.com</a>></span> wrote:<br>
<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">Private message requesting TCP tuning. For the record, these are<br>
draft numbers and very tightly tied to our use case, so they should<br>
not be copied blindly.<br>
<br>
somaxconn is 512<br>
txqueuelen is 5000<br>
netdev_max_backlog is 5000<br>
tcp_max_syn_backlog is 4096<br>
enable tcp_tw_recycle<br>
enable tcp_tw_reuse<br>
<br>
<br>
<br>
<br>
On Tue, May 13, 2014 at 6:45 AM, Γιάννης Καραγιαννίδης<br>
<<a href="mailto:gkaragiannidis@dolnet.gr" target="_blank">gkaragiannidis@dolnet.gr</a>> wrote:<br>
> Could you please give us some more information about your<br>
> TCP tuning?<br>
> Regards<br>
> Yiannis<br>
<div><div>><br>
> -----Original Message-----<br>
> From: varnish-misc-bounces+gkaragiannidis=<a href="mailto:dolnet.gr@varnish-cache.org" target="_blank">dolnet.gr@varnish-cache.org</a> [mailto:<a href="mailto:varnish-misc-bounces%2Bgkaragiannidis" target="_blank">varnish-misc-bounces+gkaragiannidis</a>=<a href="mailto:dolnet.gr@varnish-cache.org" target="_blank">dolnet.gr@varnish-cache.org</a>] On Behalf Of Jason Price<br>
> Sent: Tuesday, May 13, 2014 12:33 AM<br>
> To: Norberto Meijome<br>
> Cc: <a href="mailto:varnish-misc@varnish-cache.org" target="_blank">varnish-misc@varnish-cache.org</a><br>
> Subject: Re: System can't take more than 5k req /sec<br>
><br>
> 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.<br>
><br>
> Many docs say 'Don't go more than 4k threads'. Can someone explain that? Anyone have experience with 8-10k threads?<br>
><br>
> --Jason<br>
><br>
> On Tue, Apr 29, 2014 at 10:41 PM, Jason Price <<a href="mailto:japrice@gmail.com" target="_blank">japrice@gmail.com</a>> wrote:<br>
>> On Tuesday, April 29, 2014, Norberto Meijome <<a href="mailto:numard@gmail.com" target="_blank">numard@gmail.com</a>> wrote:<br>
>>><br>
>>> Have you ruled out AWS limits? Putting varnish aside for a minute,<br>
>>> can you handle 5k/sec TCP conns with something like nginx +static files.?<br>
>><br>
>> This is an excellent question. I'll see what kind of answer I'll get to it.<br>
>><br>
>> -Jason<br>
><br>
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<td style="font-family:arial,sans-serif;margin:0px"><b style="font-size:14px;color:rgb(34,34,34)">Per Buer</b><br>CTO | Varnish Software<br>Phone: <a href="tel:%2B47%20958%2039%20117" value="+4795839117" target="_blank">+47 958 39 117</a> | Skype: per.buer<br>
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<td style="font-family:arial,sans-serif;margin:0px"><b style="font-size:14px;color:rgb(34,34,34)">Per Buer</b><br>CTO | Varnish Software<br>Phone: +47 958 39 117 | Skype: per.buer<br><span style="font-weight:bold">We Make Websites Fly!<br>
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