[AusNOG] Anyone else notice the click frenzy traffic

[Nick Adams]

Worse still...all the big images were in-lined (data URI) which meant 
their front page HTML alone was pushing 450Kb with no cache-able content.

Nick Adams
ReachTEL Pty Ltd


On 20/11/12 8:47 PM, Sean K. Finn wrote:
> Did anyone consider CDN for pics? Srsly,even 250,000 people hitting at
> 10kbps is 2,500,000,000 bps or 2.5Gbps. 10kbps might only barely suffice
> for static HTML at that rate.
>
> An apache web server starts to struggle at 500 SIMULTANEOUS requests,
> meaning 250,000 visitors would need to be load balanced across 500
> server instances, assuming your LBs can handle that amount of sessions,
> keep track of the backend servers, which likely multiplies the traffic
> to double the request amount, and that is just to ensure a 10kbps
> experience without any pictures, and static HTML/js.
>
> 500 servers running any type of PHP or ASP or god forbid anything Java
> and forget it.
>
> CLICK CLICK BOOM
>
> More than likely Telstra and Optus saturated someone's interconnects,
> there's not too many people with lazy gig links hanging spare about the
> place.
>
> S.
>
> On 20/11/2012, at 8:02 PM, "Joshua D'Alton" <joshua at railgun.com.au
> <mailto:joshua at railgun.com.au>> wrote:
>
>> Indeed, even something as simple as cloudflare can turn a fail-site
>> into a world-class one with a few clicks. Obviously not the case for
>> every site, but even just the caching provided that reduces network
>> utilisation (which I believe is what is the cause of this outage).
>>
>> On Tue, Nov 20, 2012 at 8:47 PM, Martin Barry <marty at supine.com
>> <mailto:marty at supine.com>> wrote:
>>
>>     $quoted_author = "Matthew VK3EVL" ;
>>     >
>>     > I wouldn't say it's dirt cheap. High volume websites do cost a bit
>>     > to run properly.
>>
>>     I think the point was that they probably haven't even started with the
>>     basics, all of which are cheap or free if you have already built
>>     out the
>>     rest of the infrastructure. Along the lines of: preferring things
>>     to be
>>     static or cache-able; switching off heavy features under load...
>>
>>     cheers
>>     Marty
>>     _______________________________________________
>>     AusNOG mailing list
>>     AusNOG at lists.ausnog.net <mailto:AusNOG at lists.ausnog.net>
>>     http://lists.ausnog.net/mailman/listinfo/ausnog
>>
>>
>> _______________________________________________
>> AusNOG mailing list
>> AusNOG at lists.ausnog.net <mailto:AusNOG at lists.ausnog.net>
>> http://lists.ausnog.net/mailman/listinfo/ausnog
>
>
> _______________________________________________
> AusNOG mailing list
> AusNOG at lists.ausnog.net
> http://lists.ausnog.net/mailman/listinfo/ausnog
>